diff --git a/tests/app/conftest.py b/tests/app/conftest.py
index 60b5d47ac08356a82d051e9fffea588221fbd831..d4a45ae063c6b185382acd230f6f99120f2ad5b6 100644
--- a/tests/app/conftest.py
+++ b/tests/app/conftest.py
@@ -29,23 +29,23 @@ def create_auth_headers(token: str):
 
 
 @pytest.fixture(scope='module')
-def admin_user_auth(admin_user: User):
-    return create_auth_headers(admin_user.user_id)
+def user0_auth(user0: User):
+    return create_auth_headers(user0.user_id)
 
 
 @pytest.fixture(scope='module')
-def test_user_auth(test_user: User):
-    return create_auth_headers(test_user.user_id)
+def user1_auth(user1: User):
+    return create_auth_headers(user1.user_id)
 
 
 @pytest.fixture(scope='module')
-def other_test_user_auth(other_test_user: User):
-    return create_auth_headers(other_test_user.user_id)
+def user2_auth(user2: User):
+    return create_auth_headers(user2.user_id)
 
 
 @pytest.fixture(scope='module')
-def yet_test_user_auth(yet_test_user: User):
-    return create_auth_headers(yet_test_user.user_id)
+def user3_auth(user3: User):
+    return create_auth_headers(user3.user_id)
 
 
 @pytest.fixture(scope='module')
@@ -54,21 +54,21 @@ def invalid_user_auth():
 
 
 @pytest.fixture(scope='module')
-def app_token_auth(test_user: User):
-    app_token = generate_simple_token(test_user.user_id, expires_in=3600)
+def app_token_auth(user1: User):
+    app_token = generate_simple_token(user1.user_id, expires_in=3600)
     return create_auth_headers(app_token)
 
 
 @pytest.fixture(scope='module')
-def test_auth_dict(
-    admin_user,
-    test_user,
-    other_test_user,
-    yet_test_user,
-    admin_user_auth,
-    test_user_auth,
-    other_test_user_auth,
-    yet_test_user_auth,
+def auth_dict(
+    user0,
+    user1,
+    user2,
+    user3,
+    user0_auth,
+    user1_auth,
+    user2_auth,
+    user3_auth,
     invalid_user_auth,
 ):
     """
@@ -76,13 +76,10 @@ def test_auth_dict(
     contains an example of invalid credentials, and the key None contains (None, None).
     """
     return {
-        'admin_user': (admin_user_auth, generate_upload_token(admin_user)),
-        'test_user': (test_user_auth, generate_upload_token(test_user)),
-        'other_test_user': (
-            other_test_user_auth,
-            generate_upload_token(other_test_user),
-        ),
-        'yet_test_user': (yet_test_user_auth, generate_upload_token(yet_test_user)),
+        'user0': (user0_auth, generate_upload_token(user0)),
+        'user1': (user1_auth, generate_upload_token(user1)),
+        'user2': (user2_auth, generate_upload_token(user2)),
+        'user3': (user3_auth, generate_upload_token(user3)),
         'invalid': (invalid_user_auth, 'invalid.upload.token'),
         None: (None, None),
     }
diff --git a/tests/app/test_dcat.py b/tests/app/test_dcat.py
index 9fa83c53685969669e3e4d5ee25e732055af39d8..8e5b4b68291cd6e30faf8a9ae4b8b49fea7b4172 100644
--- a/tests/app/test_dcat.py
+++ b/tests/app/test_dcat.py
@@ -43,23 +43,23 @@ def create_dataset(**kwargs):
 
 
 @pytest.fixture(scope='module')
-def data(test_user, other_test_user, elastic_infra, mongo_module):
+def data(user1, user2, elastic_infra, mongo_module):
     example_attrs = dict(
         entry_id='test-id',
         upload_id='upload-id',
         last_processing_time=datetime.now(),
-        entry_coauthors=[other_test_user],
+        entry_coauthors=[user2],
         datasets=[
             create_dataset(
                 dataset_id='dataset_1',
-                user_id=test_user.user_id,
+                user_id=user1.user_id,
                 dataset_name='test dataset 1',
                 dataset_type='owned',
                 doi='TEST/DOI',
             ),
             create_dataset(
                 dataset_id='dataset_2',
-                user_id=test_user.user_id,
+                user_id=user1.user_id,
                 dataset_name='test dataset 2',
                 dataset_type='owned',
             ),
@@ -67,7 +67,7 @@ def data(test_user, other_test_user, elastic_infra, mongo_module):
         comment='this is an entry comment',
     )
 
-    data = ExampleData(main_author=test_user)
+    data = ExampleData(main_author=user1)
     data.create_upload(
         upload_id='upload-id',
         upload_create_time=datetime(2000, 1, 1),
diff --git a/tests/app/test_h5grove.py b/tests/app/test_h5grove.py
index fe470f914669c16560e92c78c05cc04343c46ba5..b62e4b0aa808f8b124ae34c8b88f118c5efebf46 100644
--- a/tests/app/test_h5grove.py
+++ b/tests/app/test_h5grove.py
@@ -38,8 +38,8 @@ def upload_id():
 
 
 @pytest.fixture
-def example_data_nxs(test_user, upload_id):
-    data = ExampleData(main_author=test_user)
+def example_data_nxs(user1, upload_id):
+    data = ExampleData(main_author=user1)
     data.create_upload(upload_id)
     data.create_entry(upload_id=upload_id, entry_id='nexus_test_entry')
     data.save(with_files=False, with_mongo=True)
@@ -50,11 +50,11 @@ def example_data_nxs(test_user, upload_id):
     [
         pytest.param('invalid', 401, 'test.h5', id='invalid-credentials'),
         pytest.param(None, 401, 'test.h5', id='no-credentials'),
-        pytest.param('test_user', 404, 'some_other.h5', id='file-not-found'),
+        pytest.param('user1', 404, 'some_other.h5', id='file-not-found'),
         pytest.param(
-            'test_user', 200, 'test.h5', id='file-in-published'
+            'user1', 200, 'test.h5', id='file-in-published'
         ),  # TODO: Implement fetching from published upload
-        pytest.param('test_user', 200, 'test.h5', id='file-in-staging'),
+        pytest.param('user1', 200, 'test.h5', id='file-in-staging'),
     ],
 )
 def test_h5grove(
@@ -62,12 +62,12 @@ def test_h5grove(
     upload_id,
     proc_infra,
     example_data_nxs,
-    test_auth_dict,
+    auth_dict,
     user,
     status_code,
     file_name,
 ):
-    user_auth, _ = test_auth_dict[user]
+    user_auth, _ = auth_dict[user]
     test_file = 'test.h5'
     file_path = f'{StagingUploadFiles(upload_id=upload_id, create=True)._raw_dir}{os.sep}{test_file}'
     h5file = h5py.File(file_path, 'w')
diff --git a/tests/app/test_optimade.py b/tests/app/test_optimade.py
index 0e02c2baf704bc7db27f992e7a344ca956ded094..468ca15fc71851cf4d59eebac174e64913eacedc 100644
--- a/tests/app/test_optimade.py
+++ b/tests/app/test_optimade.py
@@ -40,9 +40,9 @@ def test_get_entry(published: Upload):
 
 
 def test_no_optimade(
-    mongo_function, elastic_function, raw_files_function, client, test_user
+    mongo_function, elastic_function, raw_files_function, client, user1
 ):
-    example_data = ExampleData(main_author=test_user)
+    example_data = ExampleData(main_author=user1)
     example_data.create_upload(
         upload_id='test_upload', published=True, embargo_length=0
     )
@@ -57,11 +57,11 @@ def test_no_optimade(
 
 
 @pytest.fixture(scope='module')
-def example_structures(elastic_infra, mongo_module, raw_files_infra, test_user):
+def example_structures(elastic_infra, mongo_module, raw_files_infra, user1):
     clear_elastic(elastic_infra)
     mongo_module.drop_database('test_db')
 
-    example_data = ExampleData(main_author=test_user)
+    example_data = ExampleData(main_author=user1)
     example_data.create_upload(
         upload_id='test_upload',
         upload_create_time='1978-04-08T10:10:00Z',
diff --git a/tests/app/v1/routers/common.py b/tests/app/v1/routers/common.py
index 3a382797098bd390456560815949bdf7cc3782ea..0a110337de4f0da23349370db68bb96c92ed38ff 100644
--- a/tests/app/v1/routers/common.py
+++ b/tests/app/v1/routers/common.py
@@ -286,33 +286,21 @@ def owner_test_parameters():
         pytest.param('admin', None, 401, -1, -1, -1, id='admin-wo-auth'),
         pytest.param('shared', None, 401, -1, -1, -1, id='shared-wo-auth'),
         pytest.param('public', None, 200, 23, 23, 6, id='public-wo-auth'),
-        pytest.param('user', 'test_user', 200, 32, 30, 13, id='user-test-user'),
-        pytest.param('staging', 'test_user', 200, 6, 4, 4, id='staging-test-user'),
-        pytest.param('visible', 'test_user', 200, 32, 30, 13, id='visible-test-user'),
-        pytest.param('admin', 'test_user', 401, -1, -1, -1, id='admin-test-user'),
-        pytest.param('shared', 'test_user', 200, 32, 30, 13, id='shared-test-user'),
-        pytest.param('public', 'test_user', 200, 23, 23, 6, id='public-test-user'),
-        pytest.param(
-            'user', 'other_test_user', 200, 0, 0, 0, id='user-other-test-user'
-        ),
-        pytest.param(
-            'staging', 'other_test_user', 200, 2, 2, 2, id='staging-other-test-user'
-        ),
-        pytest.param(
-            'visible', 'other_test_user', 200, 27, 27, 10, id='visible-other-test-user'
-        ),
-        pytest.param(
-            'shared', 'other_test_user', 200, 4, 4, 4, id='shared-other-test-user'
-        ),
-        pytest.param(
-            'public', 'other_test_user', 200, 23, 23, 6, id='public-other-test-user'
-        ),
+        pytest.param('user', 'user1', 200, 32, 30, 13, id='user-user1'),
+        pytest.param('staging', 'user1', 200, 6, 4, 4, id='staging-user1'),
+        pytest.param('visible', 'user1', 200, 32, 30, 13, id='visible-user1'),
+        pytest.param('admin', 'user1', 401, -1, -1, -1, id='admin-user1'),
+        pytest.param('shared', 'user1', 200, 32, 30, 13, id='shared-user1'),
+        pytest.param('public', 'user1', 200, 23, 23, 6, id='public-user1'),
+        pytest.param('user', 'user2', 200, 0, 0, 0, id='user-user2'),
+        pytest.param('staging', 'user2', 200, 2, 2, 2, id='staging-user2'),
+        pytest.param('visible', 'user2', 200, 27, 27, 10, id='visible-user2'),
+        pytest.param('shared', 'user2', 200, 4, 4, 4, id='shared-user2'),
+        pytest.param('public', 'user2', 200, 23, 23, 6, id='public-user2'),
         pytest.param('all', None, 200, 26, 26, 9, id='metadata-all-wo-auth'),
-        pytest.param('all', 'test_user', 200, 32, 30, 13, id='metadata-all-test-user'),
-        pytest.param(
-            'all', 'other_test_user', 200, 28, 28, 11, id='metadata-all-other-test-user'
-        ),
-        pytest.param('admin', 'admin_user', 200, 32, 30, 13, id='admin-admin-user'),
+        pytest.param('all', 'user1', 200, 32, 30, 13, id='metadata-all-user1'),
+        pytest.param('all', 'user2', 200, 28, 28, 11, id='metadata-all-user2'),
+        pytest.param('admin', 'user0', 200, 32, 30, 13, id='admin-user0'),
         pytest.param('all', 'bad_user', 401, -1, -1, -1, id='bad-credentials'),
     ]
 
@@ -490,7 +478,7 @@ def aggregation_test_parameters(
             str['total'],
             min(str['size'], default_size),
             200,
-            'test_user',
+            'user1',
             id='terms-str',
         ),
         pytest.param(
@@ -498,7 +486,7 @@ def aggregation_test_parameters(
             enum['total'],
             min(enum['size'], default_size),
             200,
-            'test_user',
+            'user1',
             id='terms-enum',
         ),
         pytest.param(
@@ -506,7 +494,7 @@ def aggregation_test_parameters(
             bool['total'],
             min(bool['size'], default_size),
             200,
-            'test_user',
+            'user1',
             id='terms-bool',
         ),
         pytest.param(
@@ -514,7 +502,7 @@ def aggregation_test_parameters(
             0,
             0,
             200,
-            'test_user',
+            'user1',
             id='no-results',
         ),
         pytest.param(
@@ -522,7 +510,7 @@ def aggregation_test_parameters(
             default_total,
             min(default_total, default_size),
             200,
-            'test_user',
+            'user1',
             id='entries',
         ),
         pytest.param(
@@ -530,7 +518,7 @@ def aggregation_test_parameters(
             default_total,
             min(default_total, default_size),
             200,
-            'test_user',
+            'user1',
             id='entries-size',
         ),
         pytest.param(
@@ -538,7 +526,7 @@ def aggregation_test_parameters(
             -1,
             -1,
             422,
-            'test_user',
+            'user1',
             id='bad-entries',
         ),
         pytest.param(
@@ -554,7 +542,7 @@ def aggregation_test_parameters(
             str['total'],
             min(str['size'], default_size),
             200,
-            'test_user',
+            'user1',
             id='entries-include',
         ),
         pytest.param(
@@ -570,7 +558,7 @@ def aggregation_test_parameters(
             str['total'],
             min(str['size'], default_size),
             200,
-            'test_user',
+            'user1',
             id='entries-exclude',
         ),
         pytest.param(
@@ -626,7 +614,7 @@ def aggregation_test_parameters(
             pagination['total'],
             min(pagination['size'], default_size),
             200,
-            'test_user',
+            'user1',
             id='order-direction',
         ),
         pytest.param(
@@ -639,7 +627,7 @@ def aggregation_test_parameters(
             pagination['total'],
             pagination['page_after_value_size'],
             200,
-            'test_user',
+            'user1',
             id='after',
         ),
         pytest.param(
@@ -680,7 +668,7 @@ def aggregation_test_parameters(
             histogram_date['default_size'],
             histogram_date['default_size'],
             200,
-            'test-user',
+            'user1',
             id='date-histogram-default',
         ),
         pytest.param(
@@ -693,7 +681,7 @@ def aggregation_test_parameters(
             histogram_date['interval_size'],
             histogram_date['interval_size'],
             200,
-            'test-user',
+            'user1',
             id='date-histogram-interval',
         ),
         pytest.param(
@@ -707,7 +695,7 @@ def aggregation_test_parameters(
             histogram_date['interval_size'],
             histogram_date['interval_size'],
             200,
-            'test-user',
+            'user1',
             id='date-histogram-metrics',
         ),
         pytest.param(
@@ -715,7 +703,7 @@ def aggregation_test_parameters(
             -1,
             -1,
             422,
-            'test-user',
+            'user1',
             id='date-histogram-no-date',
         ),
         pytest.param(
@@ -723,7 +711,7 @@ def aggregation_test_parameters(
             -1,
             -1,
             400,
-            'test-user',
+            'user1',
             id='date-histogram-bad-interval',
         ),
         # Int histogram
@@ -750,7 +738,7 @@ def aggregation_test_parameters(
             histogram_int['bucket_size'],
             histogram_int['bucket_size'],
             200,
-            'test-user',
+            'user1',
             id='histogram-buckets',
         ),
         pytest.param(
@@ -822,7 +810,7 @@ def aggregation_test_parameters(
                 pagination['total'],
                 min(pagination['size'], default_size),
                 200,
-                'test_user',
+                'user1',
                 id='order-str',
             ),
             pytest.param(
@@ -835,7 +823,7 @@ def aggregation_test_parameters(
                 pagination['total'],
                 min(pagination['size'], default_size),
                 200,
-                'test_user',
+                'user1',
                 id='order-date',
             ),
             pytest.param(
@@ -848,7 +836,7 @@ def aggregation_test_parameters(
                 pagination['total'],
                 min(pagination['size'], default_size),
                 200,
-                'test_user',
+                'user1',
                 id='order-int',
             ),
             pytest.param(
@@ -866,7 +854,7 @@ def aggregation_test_parameters(
                 pagination['total'],
                 pagination['page_after_value_size'],
                 200,
-                'test_user',
+                'user1',
                 id='after-order',
             ),
         ]
@@ -1375,7 +1363,7 @@ def assert_query_response(client, test_method, query, total, status_code):
 
 def assert_aggregation_response(
     client,
-    test_user_auth,
+    user1_auth,
     aggregation,
     total,
     size,
@@ -1385,8 +1373,8 @@ def assert_aggregation_response(
 ):
     """Checks that the aggregation response is as expected."""
     headers = {}
-    if user == 'test_user':
-        headers = test_user_auth
+    if user == 'user1':
+        headers = user1_auth
 
     agg_id = 'test_agg_name'
     aggregations = {agg_id: aggregation}
@@ -1532,9 +1520,9 @@ def perform_materials_metadata_test(*args, **kwargs):
 
 def perform_owner_test(
     client,
-    test_user_auth,
-    other_test_user_auth,
-    admin_user_auth,
+    user0_auth,
+    user1_auth,
+    user2_auth,
     owner,
     user,
     status_code,
@@ -1543,12 +1531,12 @@ def perform_owner_test(
     test_method,
 ):
     headers = None
-    if user == 'test_user':
-        headers = test_user_auth
-    elif user == 'other_test_user':
-        headers = other_test_user_auth
-    elif user == 'admin_user':
-        headers = admin_user_auth
+    if user == 'user1':
+        headers = user1_auth
+    elif user == 'user2':
+        headers = user2_auth
+    elif user == 'user0':
+        headers = user0_auth
     elif user == 'bad_user':
         headers = {'Authorization': 'Bearer NOTATOKEN'}
 
diff --git a/tests/app/v1/routers/test_auth.py b/tests/app/v1/routers/test_auth.py
index 5d625a192984408c11885fd4f944462978eed307..4d568065108643343ee287331171e013ad04708b 100644
--- a/tests/app/v1/routers/test_auth.py
+++ b/tests/app/v1/routers/test_auth.py
@@ -34,8 +34,8 @@ def perform_get_token_test(client, http_method, status_code, username, password)
 
 
 @pytest.mark.parametrize('http_method', ['post', 'get'])
-def test_get_token(client, test_user, http_method):
-    perform_get_token_test(client, http_method, 200, test_user.username, 'password')
+def test_get_token(client, user1, http_method):
+    perform_get_token_test(client, http_method, 200, user1.username, 'password')
 
 
 @pytest.mark.parametrize('http_method', ['post', 'get'])
@@ -43,8 +43,8 @@ def test_get_token_bad_credentials(client, http_method):
     perform_get_token_test(client, http_method, 401, 'bad', 'credentials')
 
 
-def test_get_signature_token(client, test_user_auth):
-    response = client.get('auth/signature_token', headers=test_user_auth)
+def test_get_signature_token(client, user1_auth):
+    response = client.get('auth/signature_token', headers=user1_auth)
     assert response.status_code == 200
     assert response.json().get('signature_token') is not None
 
@@ -66,9 +66,9 @@ def test_get_signature_token_unauthorized(client, invalid_user_auth):
         (None, 422),
     ],
 )
-def test_get_app_token(client, test_user_auth, expires_in, status_code):
+def test_get_app_token(client, user1_auth, expires_in, status_code):
     response = client.get(
-        'auth/app_token', headers=test_user_auth, params={'expires_in': expires_in}
+        'auth/app_token', headers=user1_auth, params={'expires_in': expires_in}
     )
     assert response.status_code == status_code
     if status_code == 200:
diff --git a/tests/app/v1/routers/test_datasets.py b/tests/app/v1/routers/test_datasets.py
index 1e26124b3d4b39ac78ba789a108626008f987d05..71fc63d57a2d3a9970b1a780cacc0bcfbcfbc00b 100644
--- a/tests/app/v1/routers/test_datasets.py
+++ b/tests/app/v1/routers/test_datasets.py
@@ -53,10 +53,8 @@ def create_dataset(**kwargs):
 
 
 @pytest.fixture(scope='function')
-def data(
-    elastic_function, raw_files_function, mongo_function, test_user, other_test_user
-):
-    data = ExampleData(main_author=test_user)
+def data(elastic_function, raw_files_function, mongo_function, user1, user2):
+    data = ExampleData(main_author=user1)
     data.create_upload(upload_id='upload_1', published=True)
     data.create_entry(
         upload_id='upload_1',
@@ -65,13 +63,13 @@ def data(
         datasets=[
             create_dataset(
                 dataset_id='dataset_1',
-                user_id=test_user.user_id,
+                user_id=user1.user_id,
                 dataset_name='test dataset 1',
                 dataset_type='owned',
             ),
             create_dataset(
                 dataset_id='dataset_2',
-                user_id=test_user.user_id,
+                user_id=user1.user_id,
                 dataset_name='test dataset 2',
                 dataset_type='owned',
             ),
@@ -85,13 +83,13 @@ def data(
         datasets=[
             create_dataset(
                 dataset_id='dataset_listed',
-                user_id=test_user.user_id,
+                user_id=user1.user_id,
                 dataset_name='foreign test dataset',
                 dataset_type='foreign',
             ),
             create_dataset(
                 dataset_id='dataset_doi',
-                user_id=test_user.user_id,
+                user_id=user1.user_id,
                 dataset_name='foreign test dataset',
                 dataset_type='foreign',
                 doi='test_doi',
@@ -238,23 +236,23 @@ def test_dataset(client, data, dataset_id, result, status_code):
     'dataset_name, dataset_type, query, entries, user, status_code',
     [
         pytest.param(
-            'another test dataset', 'foreign', None, None, 'test_user', 200, id='plain'
+            'another test dataset', 'foreign', None, None, 'user1', 200, id='plain'
         ),
         pytest.param(
             'another test dataset', 'foreign', None, None, None, 401, id='no-user'
         ),
         pytest.param(
-            'test dataset 1', 'foreign', None, None, 'test_user', 400, id='exists'
+            'test dataset 1', 'foreign', None, None, 'user1', 400, id='exists'
         ),
         pytest.param(
-            'another test dataset', 'owned', None, None, 'test_user', 200, id='owned'
+            'another test dataset', 'owned', None, None, 'user1', 200, id='owned'
         ),
         pytest.param(
             'another test dataset',
             'owned',
             {},
             None,
-            'test_user',
+            'user1',
             200,
             id='owned-owner-query',
         ),
@@ -263,7 +261,7 @@ def test_dataset(client, data, dataset_id, result, status_code):
             'owned',
             {},
             None,
-            'other_test_user',
+            'user2',
             200,
             id='owned-non-owner-query',
         ),
@@ -272,7 +270,7 @@ def test_dataset(client, data, dataset_id, result, status_code):
             'owned',
             None,
             ['id_01', 'id_02'],
-            'test_user',
+            'user1',
             200,
             id='owned-owner-entries',
         ),
@@ -281,7 +279,7 @@ def test_dataset(client, data, dataset_id, result, status_code):
             'owned',
             None,
             ['id_01', 'id_02'],
-            'other_test_user',
+            'user2',
             200,
             id='owned-non-owner-entries',
         ),
@@ -290,7 +288,7 @@ def test_dataset(client, data, dataset_id, result, status_code):
             'foreign',
             {},
             None,
-            'test_user',
+            'user1',
             200,
             id='foreign-query',
         ),
@@ -299,7 +297,7 @@ def test_dataset(client, data, dataset_id, result, status_code):
             'foreign',
             None,
             ['id_01', 'id_02'],
-            'test_user',
+            'user1',
             200,
             id='foreign-entries',
         ),
@@ -309,10 +307,10 @@ def test_post_datasets(
     client,
     data,
     example_data,
-    test_user,
-    test_user_auth,
-    other_test_user,
-    other_test_user_auth,
+    user1,
+    user1_auth,
+    user2,
+    user2_auth,
     dataset_name,
     dataset_type,
     query,
@@ -326,12 +324,12 @@ def test_post_datasets(
     if entries is not None:
         dataset['entries'] = entries
     auth = None
-    if user == 'test_user':
-        auth = test_user_auth
-        user = test_user
-    elif user == 'other_test_user':
-        auth = other_test_user_auth
-        user = other_test_user
+    if user == 'user1':
+        auth = user1_auth
+        user = user1
+    elif user == 'user2':
+        auth = user2_auth
+        user = user2
     response = client.post('datasets/', headers=auth, json=dataset)
 
     assert_response(response, status_code=status_code)
@@ -354,21 +352,21 @@ def test_post_datasets(
 @pytest.mark.parametrize(
     'dataset_id, user, status_code',
     [
-        pytest.param('dataset_listed', 'test_user', 200, id='plain'),
+        pytest.param('dataset_listed', 'user1', 200, id='plain'),
         pytest.param('dataset_listed', None, 401, id='no-user'),
-        pytest.param('dataset_listed', 'other_test_user', 401, id='wrong-user'),
-        pytest.param('DOESNOTEXIST', 'test_user', 404, id='does-not-exist'),
-        pytest.param('dataset_doi', 'test_user', 400, id='with-doi'),
+        pytest.param('dataset_listed', 'user2', 401, id='wrong-user'),
+        pytest.param('DOESNOTEXIST', 'user1', 404, id='does-not-exist'),
+        pytest.param('dataset_doi', 'user1', 400, id='with-doi'),
     ],
 )
 def test_delete_dataset(
-    client, data, test_user_auth, other_test_user_auth, dataset_id, user, status_code
+    client, data, user1_auth, user2_auth, dataset_id, user, status_code
 ):
     auth = None
-    if user == 'test_user':
-        auth = test_user_auth
-    if user == 'other_test_user':
-        auth = other_test_user_auth
+    if user == 'user1':
+        auth = user1_auth
+    if user == 'user2':
+        auth = user2_auth
     response = client.delete('datasets/%s' % dataset_id, headers=auth)
 
     assert_response(response, status_code=status_code)
@@ -382,25 +380,25 @@ def test_delete_dataset(
 @pytest.mark.parametrize(
     'dataset_id, user, status_code',
     [
-        pytest.param('dataset_1', 'test_user', 200, id='plain'),
+        pytest.param('dataset_1', 'user1', 200, id='plain'),
         pytest.param('dataset_1', None, 401, id='no-user'),
-        pytest.param('dataset_1', 'other_test_user', 401, id='wrong-user'),
-        pytest.param('dataset_doi', 'test_user', 400, id='with-doi'),
-        pytest.param('unpublished', 'test_user', 400, id='unpublished'),
-        pytest.param('empty', 'test_user', 400, id='empty'),
+        pytest.param('dataset_1', 'user2', 401, id='wrong-user'),
+        pytest.param('dataset_doi', 'user1', 400, id='with-doi'),
+        pytest.param('unpublished', 'user1', 400, id='unpublished'),
+        pytest.param('empty', 'user1', 400, id='empty'),
     ],
 )
 def test_assign_doi_dataset(
     client,
     data,
-    test_user,
-    test_user_auth,
-    other_test_user_auth,
+    user1,
+    user1_auth,
+    user2_auth,
     dataset_id,
     user,
     status_code,
 ):
-    more_data = ExampleData(main_author=test_user)
+    more_data = ExampleData(main_author=user1)
     more_data.create_upload(upload_id='unpublished', published=False)
     more_data.create_entry(
         upload_id='unpublished',
@@ -409,7 +407,7 @@ def test_assign_doi_dataset(
         datasets=[
             create_dataset(
                 dataset_id='unpublished',
-                user_id=test_user.user_id,
+                user_id=user1.user_id,
                 dataset_name='test unpublished entries',
                 dataset_type='owned',
             )
@@ -418,7 +416,7 @@ def test_assign_doi_dataset(
 
     create_dataset(
         dataset_id='empty',
-        user_id=test_user.user_id,
+        user_id=user1.user_id,
         dataset_name='test empty dataset',
         dataset_type='owned',
     )
@@ -426,10 +424,10 @@ def test_assign_doi_dataset(
     more_data.save(with_files=False)
 
     auth = None
-    if user == 'test_user':
-        auth = test_user_auth
-    if user == 'other_test_user':
-        auth = other_test_user_auth
+    if user == 'user1':
+        auth = user1_auth
+    if user == 'user2':
+        auth = user2_auth
     response = client.post('datasets/%s/action/doi' % dataset_id, headers=auth)
 
     assert_response(response, status_code=status_code)
@@ -438,5 +436,5 @@ def test_assign_doi_dataset(
 
     json_response = response.json()
     dataset = json_response['data']
-    assert_dataset(dataset, user_id=test_user.user_id)
+    assert_dataset(dataset, user_id=user1.user_id)
     assert dataset['doi'] is not None
diff --git a/tests/app/v1/routers/test_entries.py b/tests/app/v1/routers/test_entries.py
index 60252a7fb5618e273399e53da6227f275f84804a..2bb6e91a66a5cd12ab379ea139fe1d3818912c8a 100644
--- a/tests/app/v1/routers/test_entries.py
+++ b/tests/app/v1/routers/test_entries.py
@@ -402,12 +402,12 @@ def test_entries_all_metrics(client, example_data):
     aggregation_test_parameters_default('entries'),
 )
 def test_entries_aggregations(
-    client, example_data, test_user_auth, aggregation, total, size, status_code, user
+    client, example_data, user1_auth, aggregation, total, size, status_code, user
 ):
     """Tests aggregation calls for regular statically mapped quantities."""
     assert_aggregation_response(
         client,
-        test_user_auth,
+        user1_auth,
         aggregation,
         total,
         size,
@@ -477,7 +477,7 @@ def test_entries_aggregations_dynamic(
     plugin_schema,
     client,
     example_data_schema_python,
-    test_user_auth,
+    user1_auth,
     aggregation,
     total,
     size,
@@ -489,7 +489,7 @@ def test_entries_aggregations_dynamic(
     """
     assert_aggregation_response(
         client,
-        test_user_auth,
+        user1_auth,
         aggregation,
         total,
         size,
@@ -571,9 +571,7 @@ def test_entries_required(client, example_data, required, status_code, http_meth
     'user, entry_id, required, status_code',
     [
         pytest.param(None, 'id_01', {}, 200, id='id'),
-        pytest.param(
-            'test_user', 'id_child_entries_child1', {}, 200, id='id-child-entry'
-        ),
+        pytest.param('user1', 'id_child_entries_child1', {}, 200, id='id-child-entry'),
         pytest.param(None, 'doesnotexist', {}, 404, id='404'),
         pytest.param(
             None, 'id_01', {'include': ['entry_id', 'upload_id']}, 200, id='include'
@@ -589,9 +587,9 @@ def test_entries_required(client, example_data, required, status_code, http_meth
     ],
 )
 def test_entry_metadata(
-    client, example_data, test_auth_dict, user, entry_id, required, status_code
+    client, example_data, auth_dict, user, entry_id, required, status_code
 ):
-    user_auth, _ = test_auth_dict[user]
+    user_auth, _ = auth_dict[user]
     response = client.get(
         'entries/%s?%s' % (entry_id, urlencode(required, doseq=True)), headers=user_auth
     )
@@ -609,7 +607,7 @@ def test_entry_metadata(
         pytest.param(None, None, {}, {}, 23, 5, 200, id='all'),
         pytest.param(None, None, {'entry_id': 'id_01'}, {}, 1, 5, 200, id='one-entry'),
         pytest.param(
-            'test_user',
+            'user1',
             'visible',
             {'upload_id': 'id_child_entries'},
             {},
@@ -627,7 +625,7 @@ def test_entry_metadata(
 def test_entries_rawdir(
     client,
     example_data,
-    test_auth_dict,
+    auth_dict,
     user,
     owner,
     query,
@@ -637,7 +635,7 @@ def test_entries_rawdir(
     status_code,
     http_method,
 ):
-    user_auth, _ = test_auth_dict[user]
+    user_auth, _ = auth_dict[user]
     perform_entries_rawdir_test(
         client,
         owner=owner,
@@ -656,7 +654,7 @@ def test_entries_rawdir(
     [
         pytest.param(None, None, {}, {}, 23, 5, 200, id='all'),
         pytest.param(
-            'test_user',
+            'user1',
             'visible',
             {'upload_id': 'id_child_entries'},
             {},
@@ -725,7 +723,7 @@ def test_entries_rawdir(
 def test_entries_raw(
     client,
     example_data,
-    test_auth_dict,
+    auth_dict,
     user,
     owner,
     query,
@@ -735,7 +733,7 @@ def test_entries_raw(
     status_code,
     http_method,
 ):
-    user_auth, _ = test_auth_dict[user]
+    user_auth, _ = auth_dict[user]
     perform_entries_raw_test(
         client,
         headers=user_auth,
@@ -769,17 +767,15 @@ def test_entries_download_max(
     'user, entry_id, files_per_entry, status_code',
     [
         pytest.param(None, 'id_01', 5, 200, id='id'),
-        pytest.param(
-            'test_user', 'id_child_entries_child1', 5, 200, id='child-entries'
-        ),
+        pytest.param('user1', 'id_child_entries_child1', 5, 200, id='child-entries'),
         pytest.param(None, 'id_embargo', -1, 404, id='embargoed'),
         pytest.param(None, 'doesnotexist', -1, 404, id='bad-entry_id'),
     ],
 )
 def test_entry_rawdir(
-    client, example_data, test_auth_dict, user, entry_id, files_per_entry, status_code
+    client, example_data, auth_dict, user, entry_id, files_per_entry, status_code
 ):
-    user_auth, _ = test_auth_dict[user]
+    user_auth, _ = auth_dict[user]
     response = client.get('entries/%s/rawdir' % entry_id, headers=user_auth)
     assert_response(response, status_code)
     if status_code == 200:
@@ -790,9 +786,7 @@ def test_entry_rawdir(
     'user, entry_id, files, files_per_entry, status_code',
     [
         pytest.param(None, 'id_01', {}, 5, 200, id='id'),
-        pytest.param(
-            'test_user', 'id_child_entries_child1', {}, 5, 200, id='child-entry'
-        ),
+        pytest.param('user1', 'id_child_entries_child1', {}, 5, 200, id='child-entry'),
         pytest.param(None, 'doesnotexist', {}, -1, 404, id='404'),
         pytest.param(None, 'id_01', {'glob_pattern': '*.json'}, 1, 200, id='glob'),
         pytest.param(None, 'id_01', {'re_pattern': '[a-z]*\\.aux'}, 4, 200, id='re'),
@@ -807,14 +801,14 @@ def test_entry_rawdir(
 def test_entry_raw(
     client,
     example_data,
-    test_auth_dict,
+    auth_dict,
     user,
     entry_id,
     files,
     files_per_entry,
     status_code,
 ):
-    user_auth, _ = test_auth_dict[user]
+    user_auth, _ = auth_dict[user]
     response = client.get(
         'entries/%s/raw?%s' % (entry_id, urlencode(files, doseq=True)),
         headers=user_auth,
@@ -834,11 +828,11 @@ def example_data_with_compressed_files(
     elastic_module,
     raw_files_module,
     mongo_module,
-    test_user,
-    other_test_user,
+    user1,
+    user2,
     normalized,
 ):
-    data = ExampleData(main_author=test_user)
+    data = ExampleData(main_author=user1)
 
     data.create_upload(upload_id='with_compr_published', published=True)
     data.create_entry(
@@ -891,7 +885,7 @@ def example_data_with_compressed_files(
         pytest.param(
             'id_child_entries_child1',
             'mainfile_w_children.json',
-            {'user': 'test_user'},
+            {'user': 'user1'},
             200,
             id='child-entry',
         ),
@@ -932,14 +926,14 @@ def example_data_with_compressed_files(
         pytest.param(
             'with_compr_unpublished',
             'mainfile.xz',
-            {'decompress': True, 'user': 'test_user'},
+            {'decompress': True, 'user': 'user1'},
             200,
             id='decompress-xz-unpublished',
         ),
         pytest.param(
             'with_compr_unpublished',
             'mainfile.gz',
-            {'decompress': True, 'user': 'test_user'},
+            {'decompress': True, 'user': 'user1'},
             200,
             id='decompress-gz-unpublished',
         ),
@@ -950,28 +944,28 @@ def example_data_with_compressed_files(
         pytest.param(
             'id_embargo_1',
             'mainfile.json',
-            {'user': 'other_test_user'},
+            {'user': 'user2'},
             404,
             id='404-embargo-no-access',
         ),
         pytest.param(
             'id_embargo_1',
             'mainfile.json',
-            {'user': 'test_user'},
+            {'user': 'user1'},
             200,
             id='embargo-main_author',
         ),
         pytest.param(
             'id_embargo_w_coauthor_1',
             'mainfile.json',
-            {'user': 'other_test_user'},
+            {'user': 'user2'},
             200,
             id='embargo-coauthor',
         ),
         pytest.param(
             'id_embargo_w_reviewer_1',
             'mainfile.json',
-            {'user': 'other_test_user'},
+            {'user': 'user2'},
             200,
             id='embargo-reviewer',
         ),
@@ -982,14 +976,14 @@ def test_entry_raw_file(
     example_data,
     example_data_with_compressed_files,
     example_mainfile_contents,
-    test_auth_dict,
+    auth_dict,
     entry_id,
     path,
     params,
     status_code,
 ):
     user = params.get('user')
-    user_auth, _ = test_auth_dict[user]
+    user_auth, _ = auth_dict[user]
     if user:
         del params['user']
 
@@ -1014,7 +1008,7 @@ def test_entry_raw_file(
     [
         pytest.param(None, None, {}, None, {}, 23, 200, id='all'),
         pytest.param(
-            'test_user',
+            'user1',
             'visible',
             {'upload_id': 'id_child_entries'},
             None,
@@ -1034,7 +1028,7 @@ def test_entry_raw_file(
 def test_entries_archive_download(
     client,
     example_data,
-    test_auth_dict,
+    auth_dict,
     user,
     owner,
     query,
@@ -1044,7 +1038,7 @@ def test_entries_archive_download(
     status_code,
     http_method,
 ):
-    user_auth, _ = test_auth_dict[user]
+    user_auth, _ = auth_dict[user]
     perform_entries_archive_download_test(
         client,
         headers=user_auth,
@@ -1080,15 +1074,13 @@ def test_entries_archive(client, example_data, required, status_code):
     'user, entry_id, status_code',
     [
         pytest.param(None, 'id_01', 200, id='id'),
-        pytest.param('test_user', 'id_child_entries_child1', 200, id='child-entry'),
+        pytest.param('user1', 'id_child_entries_child1', 200, id='child-entry'),
         pytest.param(None, 'id_02', 404, id='404-not-visible'),
         pytest.param(None, 'doesnotexist', 404, id='404-does-not-exist'),
     ],
 )
-def test_entry_archive(
-    client, example_data, test_auth_dict, user, entry_id, status_code
-):
-    user_auth, _ = test_auth_dict[user]
+def test_entry_archive(client, example_data, auth_dict, user, entry_id, status_code):
+    user_auth, _ = auth_dict[user]
     response = client.get('entries/%s/archive' % entry_id, headers=user_auth)
     assert_response(response, status_code)
     if status_code == 200:
@@ -1100,20 +1092,16 @@ def test_entry_archive(
     [
         pytest.param(None, 'id_01', False, 200, id='id'),
         pytest.param(None, 'id_01', True, 200, id='id'),
-        pytest.param(
-            'test_user', 'id_child_entries_child1', False, 200, id='child-entry'
-        ),
-        pytest.param(
-            'test_user', 'id_child_entries_child1', True, 200, id='child-entry'
-        ),
+        pytest.param('user1', 'id_child_entries_child1', False, 200, id='child-entry'),
+        pytest.param('user1', 'id_child_entries_child1', True, 200, id='child-entry'),
         pytest.param(None, 'id_02', True, 404, id='404-not-visible'),
         pytest.param(None, 'doesnotexist', False, 404, id='404-does-not-exist'),
     ],
 )
 def test_entry_archive_download(
-    client, example_data, test_auth_dict, user, entry_id, ignore_mime_type, status_code
+    client, example_data, auth_dict, user, entry_id, ignore_mime_type, status_code
 ):
-    user_auth, _ = test_auth_dict[user]
+    user_auth, _ = auth_dict[user]
     response = client.get(
         f'entries/{entry_id}/archive/download'
         + ('?ignore_mime_type=true' if ignore_mime_type else ''),
@@ -1138,7 +1126,7 @@ def test_entry_archive_download(
     [
         pytest.param(None, 'id_01', '*', 200, id='full'),
         pytest.param(
-            'test_user', 'id_child_entries_child1', '*', 200, id='full-child-entry'
+            'user1', 'id_child_entries_child1', '*', 200, id='full-child-entry'
         ),
         pytest.param(None, 'id_02', '*', 404, id='404'),
         pytest.param(None, 'id_01', {'metadata': '*'}, 200, id='partial'),
@@ -1170,9 +1158,9 @@ def test_entry_archive_download(
     ],
 )
 def test_entry_archive_query(
-    client, example_data, test_auth_dict, user, entry_id, required, status_code
+    client, example_data, auth_dict, user, entry_id, required, status_code
 ):
-    user_auth, _ = test_auth_dict[user]
+    user_auth, _ = auth_dict[user]
     response = client.post(
         'entries/%s/archive/query' % entry_id,
         json={'required': required},
@@ -1357,9 +1345,9 @@ def test_entries_get_query_dynamic(
 def test_entries_owner(
     client,
     example_data,
-    test_user_auth,
-    other_test_user_auth,
-    admin_user_auth,
+    user0_auth,
+    user1_auth,
+    user2_auth,
     owner,
     user,
     status_code,
@@ -1376,9 +1364,9 @@ def test_entries_owner(
     )
     perform_owner_test(
         client,
-        test_user_auth,
-        other_test_user_auth,
-        admin_user_auth,
+        user0_auth,
+        user1_auth,
+        user2_auth,
         owner,
         user,
         status_code,
diff --git a/tests/app/v1/routers/test_entries_edit.py b/tests/app/v1/routers/test_entries_edit.py
index f4909725241aab7a1d75ad4ab1090077d72415dd..c8a55729bc9e71c3f6b1485e5b9a84e2c78439c6 100644
--- a/tests/app/v1/routers/test_entries_edit.py
+++ b/tests/app/v1/routers/test_entries_edit.py
@@ -44,26 +44,26 @@ class TestEditRepo:
         self.api = client
 
     @pytest.fixture(autouse=True)
-    def example_datasets(self, test_user, other_test_user, mongo_function):
+    def example_datasets(self, user1, user2, mongo_function):
         self.example_dataset = Dataset(
             dataset_id='example_ds',
             dataset_name='example_ds',
-            user_id=test_user.user_id,
+            user_id=user1.user_id,
         )
         self.example_dataset.a_mongo.create()
 
         self.other_example_dataset = Dataset(
             dataset_id='other_example_ds',
             dataset_name='other_example_ds',
-            user_id=other_test_user.user_id,
+            user_id=user2.user_id,
         )
         self.other_example_dataset.a_mongo.create()
 
     @pytest.fixture(autouse=True)
     def example_data(
         self,
-        test_user,
-        other_test_user,
+        user1,
+        user2,
         raw_files_function,
         elastic_function,
         mongo_function,
@@ -72,24 +72,24 @@ class TestEditRepo:
         example_data = ExampleData()
 
         example_data.create_upload(
-            'upload_1', main_author=test_user, published=True, embargo_length=0
+            'upload_1', main_author=user1, published=True, embargo_length=0
         )
         example_data.create_entry(upload_id='upload_1')
         example_data.create_upload(
-            'upload_2', main_author=test_user, published=True, embargo_length=36
+            'upload_2', main_author=user1, published=True, embargo_length=36
         )
         example_data.create_entry(upload_id='upload_2')
         example_data.create_entry(upload_id='upload_2')
         example_data.create_upload(
-            'upload_3', main_author=other_test_user, published=True, embargo_length=0
+            'upload_3', main_author=user2, published=True, embargo_length=0
         )
         example_data.create_entry(upload_id='upload_3')
 
         example_data.save()
 
     @pytest.fixture(autouse=True)
-    def auth(self, test_user_auth):
-        self.test_user_auth = test_user_auth
+    def auth(self, user1_auth):
+        self.user_auth = user1_auth
 
     def perform_edit(self, query=None, verify=False, **kwargs):
         actions = {}
@@ -105,7 +105,7 @@ class TestEditRepo:
         if verify:
             data.update(verify=verify)
 
-        return self.api.post('entries/edit_v0', headers=self.test_user_auth, json=data)
+        return self.api.post('entries/edit_v0', headers=self.user_auth, json=data)
 
     def assert_edit(
         self, rv, quantity: str, success: bool, message: bool, status_code: int = 200
@@ -161,10 +161,10 @@ class TestEditRepo:
             lambda id: search(owner=None, query=dict(entry_id=id)).data
         )
 
-    def test_edit_all_properties(self, test_user, other_test_user):
+    def test_edit_all_properties(self, user1, user2):
         edit_data = dict(
-            # reviewers=[other_test_user.user_id],  # TODO: need to set on upload level
-            # entry_coauthors=[other_test_user.user_id]  # Not editable any more
+            # reviewers=[user2.user_id],  # TODO: need to set on upload level
+            # entry_coauthors=[user2.user_id]  # Not editable any more
             comment='test_edit_props',
             references=['http://test', 'http://test2'],
         )
@@ -183,13 +183,13 @@ class TestEditRepo:
 
         assert self.mongo(1, comment='test_edit_props')
         assert self.mongo(1, references=['http://test', 'http://test2'])
-        # assert self.mongo(1, entry_coauthors=[other_test_user.user_id])
-        # assert self.mongo(1, reviewers=[other_test_user.user_id])  TODO: need to be set on upload level
+        # assert self.mongo(1, entry_coauthors=[user2.user_id])
+        # assert self.mongo(1, reviewers=[user2.user_id])  TODO: need to be set on upload level
 
         self.assert_elastic(1, comment='test_edit_props')
         self.assert_elastic(1, references=['http://test', 'http://test2'])
-        self.assert_elastic(1, authors=[test_user.user_id])
-        # self.assert_elastic(1, viewers=[test_user.user_id, other_test_user.user_id])
+        self.assert_elastic(1, authors=[user1.user_id])
+        # self.assert_elastic(1, viewers=[user1.user_id, user2.user_id])
 
         edit_data = dict(
             comment='',
@@ -215,8 +215,8 @@ class TestEditRepo:
 
         self.assert_elastic(1, comment=None)
         self.assert_elastic(1, references=[])
-        self.assert_elastic(1, authors=[test_user.user_id])
-        self.assert_elastic(1, viewers=[test_user.user_id])
+        self.assert_elastic(1, authors=[user1.user_id])
+        self.assert_elastic(1, viewers=[user1.user_id])
 
     def test_edit_all(self):
         rv = self.perform_edit(comment='test_edit_all')
@@ -253,22 +253,22 @@ class TestEditRepo:
         self.assert_edit(rv, quantity='comment', success=True, message=False)
         assert not self.mongo(1, comment='test_edit_verify', edited=False)
 
-    def test_edit_empty_list(self, other_test_user):
+    def test_edit_empty_list(self, user2):
         rv = self.perform_edit(references=['a'], query=self.query('upload_1'))
         self.assert_edit(rv, quantity='references', success=True, message=False)
         rv = self.perform_edit(references=[], query=self.query('upload_1'))
         self.assert_edit(rv, quantity='references', success=True, message=False)
         assert self.mongo(1, references=[])
 
-    def test_edit_duplicate_value(self, other_test_user):
+    def test_edit_duplicate_value(self, user2):
         rv = self.perform_edit(references=['a', 'a'], query=self.query('upload_1'))
         self.assert_edit(
             rv, status_code=400, quantity='references', success=False, message=True
         )
 
-    def test_edit_main_author_as_coauthor(self, test_user):
+    def test_edit_main_author_as_coauthor(self, user1):
         pass
-        # rv = self.perform_edit(entry_coauthors=[test_user.user_id], query=self.query('upload_1'))
+        # rv = self.perform_edit(entry_coauthors=[user1.user_id], query=self.query('upload_1'))
         # self.assert_edit(rv, status_code=400, quantity='entry_coauthors', success=False, message=True)
 
     def test_edit_ds(self):
@@ -286,7 +286,7 @@ class TestEditRepo:
         assert rv.status_code == 200
         rv = self.api.post(
             'datasets/%s/action/doi' % self.example_dataset.dataset_name,
-            headers=self.test_user_auth,
+            headers=self.user_auth,
         )
         assert rv.status_code == 200
         rv = self.perform_edit(datasets=[], query=self.query('upload_1'))
@@ -312,7 +312,7 @@ class TestEditRepo:
                 is None
             )
 
-    def test_edit_ds_user_namespace(self, test_user):
+    def test_edit_ds_user_namespace(self, user1):
         assert (
             Dataset.m_def.a_mongo.objects(
                 dataset_name=self.other_example_dataset.dataset_name
@@ -328,17 +328,17 @@ class TestEditRepo:
         self.assert_edit(rv, quantity='datasets', success=True, message=True)
         new_dataset = Dataset.m_def.a_mongo.objects(
             dataset_name=self.other_example_dataset.dataset_name,
-            user_id=test_user.user_id,
+            user_id=user1.user_id,
         ).first()
         assert new_dataset is not None
         assert self.mongo(1, datasets=[new_dataset.dataset_id])
 
-    def test_edit_new_ds(self, test_user):
+    def test_edit_new_ds(self, user1):
         rv = self.perform_edit(datasets=['new_dataset'], query=self.query('upload_1'))
         self.assert_edit(rv, quantity='datasets', success=True, message=True)
         new_dataset = Dataset.m_def.a_mongo.objects(dataset_name='new_dataset').first()
         assert new_dataset is not None
-        assert new_dataset.user_id == test_user.user_id
+        assert new_dataset.user_id == user1.user_id
         assert self.mongo(1, datasets=[new_dataset.dataset_id])
 
     def test_edit_bad_user(self):
@@ -346,16 +346,16 @@ class TestEditRepo:
         # rv = self.perform_edit(entry_coauthors=['bad_user'], query=self.query('upload_1'))
         # self.assert_edit(rv, status_code=400, quantity='entry_coauthors', success=False, message=True)
 
-    def test_edit_user(self, other_test_user):
+    def test_edit_user(self, user2):
         pass
-        # rv = self.perform_edit(entry_coauthors=[other_test_user.user_id], query=self.query('upload_1'))
+        # rv = self.perform_edit(entry_coauthors=[user2.user_id], query=self.query('upload_1'))
         # self.assert_edit(rv, quantity='entry_coauthors', success=True, message=False)
 
     @pytest.mark.skip(
         reason='Not necessary during transition. Fails because main_author is not editable anyways.'
     )
-    def test_admin_only(self, other_test_user):
-        rv = self.perform_edit(main_author=other_test_user.user_id)
+    def test_admin_only(self, user2):
+        rv = self.perform_edit(main_author=user2.user_id)
         assert rv.status_code != 200
 
 
@@ -363,7 +363,7 @@ class TestEditRepo:
     'user, kwargs',
     [
         pytest.param(
-            'test_user',
+            'user1',
             dict(
                 query={'upload_id': 'id_unpublished_w'},
                 metadata=all_coauthor_entry_metadata,
@@ -372,7 +372,7 @@ class TestEditRepo:
             id='edit-all',
         ),
         pytest.param(
-            'admin_user',
+            'user0',
             dict(
                 query={'upload_id': 'id_published_w'},
                 owner='all',
@@ -382,7 +382,7 @@ class TestEditRepo:
             id='protected-admin',
         ),
         pytest.param(
-            'test_user',
+            'user1',
             dict(
                 query={'upload_id': 'id_unpublished_w'},
                 metadata=all_admin_entry_metadata,
@@ -391,7 +391,7 @@ class TestEditRepo:
             id='protected-not-admin',
         ),
         pytest.param(
-            'admin_user',
+            'user0',
             dict(
                 query={'upload_id': 'id_published_w'},
                 owner='all',
@@ -401,7 +401,7 @@ class TestEditRepo:
             id='published-admin',
         ),
         pytest.param(
-            'test_user',
+            'user1',
             dict(
                 query={'upload_id': 'id_published_w'},
                 metadata=dict(comment='test comment'),
@@ -430,7 +430,7 @@ class TestEditRepo:
             id='invalid-credentials',
         ),
         pytest.param(
-            'other_test_user',
+            'user2',
             dict(
                 query={'upload_id': 'id_unpublished_w'},
                 metadata=dict(comment='test comment'),
@@ -439,7 +439,7 @@ class TestEditRepo:
             id='no-access',
         ),
         pytest.param(
-            'other_test_user',
+            'user2',
             dict(
                 query={'upload_id': 'id_unpublished_w'},
                 metadata=dict(comment='test comment'),
@@ -449,7 +449,7 @@ class TestEditRepo:
             id='coauthor-access',
         ),
         pytest.param(
-            'test_user',
+            'user1',
             dict(
                 query={
                     'and': [
@@ -463,7 +463,7 @@ class TestEditRepo:
             id='compound-query-ok',
         ),
         pytest.param(
-            'test_user',
+            'user1',
             dict(
                 query={'upload_id': 'id_unpublished_w'},
                 metadata=dict(upload_name='a test name'),
@@ -472,7 +472,7 @@ class TestEditRepo:
             id='query-cannot-edit-upload-data',
         ),
         pytest.param(
-            'test_user',
+            'user1',
             dict(
                 query={'upload_create_time:lt': '2021-01-01'},
                 metadata=dict(comment='a test comment'),
@@ -487,8 +487,8 @@ def test_post_entries_edit(
     proc_infra,
     example_data_writeable,
     example_datasets,
-    test_auth_dict,
-    test_users_dict,
+    auth_dict,
+    users_dict,
     user,
     kwargs,
 ):
@@ -497,8 +497,8 @@ def test_post_entries_edit(
     `MetadataEditRequestHandler.edit_metadata`, we only do very simple verification here,
     the more extensive testnig is done in `tests.processing.test_edit_metadata`.
     """
-    user_auth, _token = test_auth_dict[user]
-    user = test_users_dict.get(user)
+    user_auth, _token = auth_dict[user]
+    user = users_dict.get(user)
     query = kwargs.get('query')
     owner = kwargs.get('owner', 'visible')
     metadata = kwargs.get('metadata')
diff --git a/tests/app/v1/routers/test_graph.py b/tests/app/v1/routers/test_graph.py
index 99f65bcca18d078a30b403a4f50afce8cf55e84a..41d6092f28ca3a00424de4b26d128c9581344520 100644
--- a/tests/app/v1/routers/test_graph.py
+++ b/tests/app/v1/routers/test_graph.py
@@ -42,8 +42,8 @@ def assert_path_exists(path, response):
         raise KeyError
 
 
-def test_graph_query_random(client, test_auth_dict, example_data):
-    user_auth, _ = test_auth_dict['test_user']
+def test_graph_query_random(client, auth_dict, example_data):
+    user_auth, _ = auth_dict['user1']
     response = client.post(
         'graph/raw_query',
         json={
@@ -71,36 +71,30 @@ def test_graph_query_random(client, test_auth_dict, example_data):
 @pytest.mark.parametrize(
     'upload_id,entry_id,user,status_code',
     [
-        pytest.param('id_embargo', 'id_embargo_1', 'test_user', 200, id='ok'),
+        pytest.param('id_embargo', 'id_embargo_1', 'user1', 200, id='ok'),
         pytest.param(
             'id_child_entries',
             'id_child_entries_child1',
-            'test_user',
+            'user1',
             200,
             id='child-entry',
         ),
-        pytest.param(
-            'id_embargo', 'id_embargo_1', 'admin_user', 200, id='admin-access'
-        ),
+        pytest.param('id_embargo', 'id_embargo_1', 'user0', 200, id='admin-access'),
         pytest.param('id_embargo', 'id_embargo_1', None, 401, id='no-credentials'),
         pytest.param(
             'id_embargo', 'id_embargo_1', 'invalid', 401, id='invalid-credentials'
         ),
+        pytest.param('id_embargo', 'id_embargo_1', 'user2', 404, id='no-access'),
         pytest.param(
-            'id_embargo', 'id_embargo_1', 'other_test_user', 404, id='no-access'
-        ),
-        pytest.param(
-            'silly_value', 'id_embargo_1', 'test_user', 404, id='invalid-upload_id'
-        ),
-        pytest.param(
-            'id_embargo', 'silly_value', 'test_user', 404, id='invalid-entry_id'
+            'silly_value', 'id_embargo_1', 'user1', 404, id='invalid-upload_id'
         ),
+        pytest.param('id_embargo', 'silly_value', 'user1', 404, id='invalid-entry_id'),
     ],
 )
 def test_graph_query(
-    client, test_auth_dict, example_data, upload_id, entry_id, user, status_code
+    client, auth_dict, example_data, upload_id, entry_id, user, status_code
 ):
-    user_auth, _ = test_auth_dict[user]
+    user_auth, _ = auth_dict[user]
     response = client.post(
         'graph/query',
         json={Token.UPLOADS: {upload_id: {Token.ENTRIES: {entry_id: '*'}}}},
@@ -128,12 +122,10 @@ def test_graph_query(
         pytest.param({'DOESNOTEXIST': '*'}, 422, id='bad-required-3'),
     ],
 )
-def test_graph_archive_query(
-    client, example_data, required, status_code, test_user_auth
-):
+def test_graph_archive_query(client, example_data, required, status_code, user1_auth):
     response = client.post(
         'graph/archive/query',
-        headers=test_user_auth,
+        headers=user1_auth,
         json={'owner': 'user', 'required': required},
     )
 
@@ -219,8 +211,8 @@ def example_archive():
 
 
 @pytest.fixture(scope='function')
-def example_upload(example_archive, test_user, mongo_function, elastic_function):
-    data = ExampleData(main_author=test_user)
+def example_upload(example_archive, user1, mongo_function, elastic_function):
+    data = ExampleData(main_author=user1)
     data.create_upload(
         upload_id='test_id', upload_name='name_published', published=True
     )
@@ -256,7 +248,7 @@ def example_upload(example_archive, test_user, mongo_function, elastic_function)
         ),
         pytest.param(
             dict(
-                user='other_test_user',
+                user='user2',
                 expected_upload_ids=[
                     'id_embargo_w_coauthor',
                     'id_embargo_w_reviewer',
@@ -264,7 +256,7 @@ def example_upload(example_archive, test_user, mongo_function, elastic_function)
                     'id_unpublished_w_reviewer',
                 ],
             ),
-            id='other_test_user',
+            id='user2',
         ),
         pytest.param(dict(user=None, expected_status_code=401), id='no-credentials'),
         pytest.param(
@@ -390,13 +382,13 @@ def example_upload(example_archive, test_user, mongo_function, elastic_function)
     ],
 )
 @pytest.mark.skipif(simulationworkflowschema is None, reason=SCHEMA_IMPORT_ERROR)
-def test_get_uploads_graph(client, test_auth_dict, example_data, kwargs):
-    user = kwargs.get('user', 'test_user')
+def test_get_uploads_graph(client, auth_dict, example_data, kwargs):
+    user = kwargs.get('user', 'user1')
     query_params = kwargs.get('query_params', None)
     pagination = kwargs.get('pagination', None)
     expected_status_code = kwargs.get('expected_status_code', 200)
     expected_upload_ids = kwargs.get('expected_upload_ids', None)
-    user_auth, _ = test_auth_dict[user]
+    user_auth, _ = auth_dict[user]
 
     query_body = {Token.UPLOADS: {'m_request': {}}}
 
@@ -523,8 +515,8 @@ def test_get_uploads_graph(client, test_auth_dict, example_data, kwargs):
         ),
     ],
 )
-def test_fs_graph(client, test_auth_dict, example_data, depth, result):
-    user_auth, _ = test_auth_dict['test_user']
+def test_fs_graph(client, auth_dict, example_data, depth, result):
+    user_auth, _ = auth_dict['user1']
 
     response = client.post(
         'graph/query',
@@ -592,9 +584,9 @@ def test_fs_graph(client, test_auth_dict, example_data, depth, result):
 )
 @pytest.mark.skipif(simulationworkflowschema is None, reason=SCHEMA_IMPORT_ERROR)
 def test_entry_reader_with_reference(
-    example_archive, required, error, test_user, example_upload
+    example_archive, required, error, user1, example_upload
 ):
-    with EntryReader({Token.ARCHIVE: required}, user=test_user) as reader:
+    with EntryReader({Token.ARCHIVE: required}, user=user1) as reader:
         results = reader.read('test_id')
 
     if error:
@@ -674,9 +666,9 @@ def test_entry_reader_with_reference(
     ],
 )
 def test_graph_query_archive_functionality(
-    client, test_auth_dict, example_upload, required, result
+    client, auth_dict, example_upload, required, result
 ):
-    user_auth, _ = test_auth_dict['test_user']
+    user_auth, _ = auth_dict['user1']
     response = client.post(
         'graph/query',
         json={'uploads': {'test_id': {'entries': {'test_id': {'archive': required}}}}},
diff --git a/tests/app/v1/routers/test_groups.py b/tests/app/v1/routers/test_groups.py
index d44a99e3526cdc9cf02e647cda2e3fb879fa4dd1..cbaa8eb5bd696e4d0ed0e7319d2cde699ff5fa3e 100644
--- a/tests/app/v1/routers/test_groups.py
+++ b/tests/app/v1/routers/test_groups.py
@@ -36,8 +36,8 @@ def assert_group(group, ref_group, keys=None):
 @pytest.mark.parametrize(
     'user_label, expected_status_code',
     [
-        pytest.param('test_user', 200, id='test-user'),
-        pytest.param('other_test_user', 200, id='other-test-user'),
+        pytest.param('user1', 200, id='user1'),
+        pytest.param('user2', 200, id='user2'),
         pytest.param('invalid', 200, id='invalid-user'),
         pytest.param(None, 200, id='guest-user'),
     ],
@@ -45,12 +45,12 @@ def assert_group(group, ref_group, keys=None):
 def test_get_groups(
     client,
     mongo_module,
-    test_auth_dict,
+    auth_dict,
     user_groups_module,
     user_label,
     expected_status_code,
 ):
-    user_auth, _ = test_auth_dict[user_label]
+    user_auth, _ = auth_dict[user_label]
 
     response = perform_get(client, base_url, user_auth)
     assert_response(response, expected_status_code)
@@ -64,21 +64,21 @@ def test_get_groups(
 @pytest.mark.parametrize(
     'user_label, expected_status_code',
     [
-        pytest.param('test_user', 200, id='test-user'),
-        pytest.param('other_test_user', 200, id='other-test-user'),
+        pytest.param('user1', 200, id='user1'),
+        pytest.param('user2', 200, id='user2'),
         pytest.param('invalid', 200, id='invalid-user'),
         pytest.param(None, 200, id='guest-user'),
     ],
 )
 def test_get_group(
     client,
-    test_auth_dict,
+    auth_dict,
     user_groups_module,
     user_label,
     expected_status_code,
 ):
-    user_auth, _ = test_auth_dict[user_label]
-    ref_group = user_groups_module['other_owner_group']
+    user_auth, _ = auth_dict[user_label]
+    ref_group = user_groups_module['group2']
 
     response = perform_get(client, f'{base_url}/{ref_group.group_id}', user_auth)
     assert_response(response, expected_status_code)
@@ -92,8 +92,8 @@ def test_get_group(
 @pytest.mark.parametrize(
     'user_label, expected_status_code',
     [
-        pytest.param('test_user', 404, id='test-user'),
-        pytest.param('other_test_user', 404, id='other-test-user'),
+        pytest.param('user1', 404, id='user1'),
+        pytest.param('user2', 404, id='user2'),
         pytest.param('invalid', 404, id='invalid-user'),
         pytest.param(None, 404, id='guest-user'),
     ],
@@ -101,12 +101,12 @@ def test_get_group(
 def test_get_group_invalid(
     client,
     mongo_module,
-    test_auth_dict,
+    auth_dict,
     user_groups_module,
     user_label,
     expected_status_code,
 ):
-    user_auth, _ = test_auth_dict[user_label]
+    user_auth, _ = auth_dict[user_label]
 
     response = perform_get(client, f'{base_url}/invalid-group-id', user_auth)
     assert_response(response, expected_status_code)
@@ -115,16 +115,14 @@ def test_get_group_invalid(
 @pytest.mark.parametrize(
     'user_label, new_group_label, ref_group_label, expected_status_code',
     [
-        pytest.param('test_user', 'new_group', 'new_group', 201, id='test-user'),
-        pytest.param(
-            'other_test_user', 'new_group', 'new_group', 201, id='other-test-user'
-        ),
+        pytest.param('user1', 'new_group', 'new_group', 201, id='user1'),
+        pytest.param('user2', 'new_group', 'new_group', 201, id='user2'),
         pytest.param('invalid', 'new_group', None, 401, id='invalid-user'),
         pytest.param(None, 'new_group', None, 401, id='guest-user'),
-        pytest.param('test_user', 'short_name', None, 422, id='short-name-fails'),
-        pytest.param('test_user', 'long_name', None, 422, id='long-name-fails'),
+        pytest.param('user1', 'short_name', None, 422, id='short-name-fails'),
+        pytest.param('user1', 'long_name', None, 422, id='long-name-fails'),
         pytest.param(
-            'test_user',
+            'user1',
             'double_member',
             'double_member_ref',
             201,
@@ -136,15 +134,15 @@ def test_create_group(
     client,
     mongo_function,
     request,
-    test_auth_dict,
-    test_user_group_molds,
+    auth_dict,
+    group_molds,
     user_label,
     new_group_label,
     ref_group_label,
     expected_status_code,
 ):
-    user_auth, _ = test_auth_dict[user_label]
-    new_group = test_user_group_molds[new_group_label]
+    user_auth, _ = auth_dict[user_label]
+    new_group = group_molds[new_group_label]
 
     response = perform_post(client, base_url, user_auth, json=new_group)
     assert_response(response, expected_status_code)
@@ -155,7 +153,7 @@ def test_create_group(
     response_group = UserGroup.parse_raw(response.content)
     group = get_user_group(response_group.group_id)
     assert_group(group, response_group)
-    ref_group = test_user_group_molds[ref_group_label]
+    ref_group = group_molds[ref_group_label]
     assert_group(group, ref_group, ref_group.keys())
 
 
@@ -164,13 +162,13 @@ def test_create_group(
     [
         pytest.param(None, 'new_group', None, 401, id='guest-fails'),
         pytest.param('invalid', 'new_group', None, 401, id='faker-fails'),
-        pytest.param('other_test_user', 'new_group', None, 401, id='other-fails'),
-        pytest.param('test_user', 'new_group', 'new_group', 200, id='edit-ok'),
-        pytest.param('test_user', 'short_name', None, 422, id='short-name-fails'),
-        pytest.param('test_user', 'long_name', None, 422, id='long-name-fails'),
-        pytest.param('test_user', 'special_char', None, 422, id='special-chars-fails'),
+        pytest.param('user2', 'new_group', None, 401, id='other-fails'),
+        pytest.param('user1', 'new_group', 'new_group', 200, id='edit-ok'),
+        pytest.param('user1', 'short_name', None, 422, id='short-name-fails'),
+        pytest.param('user1', 'long_name', None, 422, id='long-name-fails'),
+        pytest.param('user1', 'special_char', None, 422, id='special-chars-fails'),
         pytest.param(
-            'test_user',
+            'user1',
             'double_member',
             'double_member_ref',
             200,
@@ -181,18 +179,18 @@ def test_create_group(
 def test_update_user_group(
     client,
     mongo_function,
-    test_auth_dict,
-    test_user_group_molds,
+    auth_dict,
+    group_molds,
     user_groups_function,
-    user_owner_group,
+    group1,
     user_label,
     group_edit_label,
     ref_group_label,
     expected_status_code,
 ):
-    user_auth, _ = test_auth_dict[user_label]
-    group_before = get_user_group(user_owner_group.group_id)
-    group_edit = test_user_group_molds[group_edit_label]
+    user_auth, _ = auth_dict[user_label]
+    group_before = get_user_group(group1.group_id)
+    group_edit = group_molds[group_edit_label]
 
     url = f'{base_url}/{group_before.group_id}/edit'
     response = perform_post(client, url, user_auth, json=group_edit)
@@ -205,62 +203,60 @@ def test_update_user_group(
 
     response_group = UserGroup.parse_raw(response.content)
     assert_group(group_after, response_group)
-    ref_group = test_user_group_molds[ref_group_label]
+    ref_group = group_molds[ref_group_label]
     assert_group(group_after, ref_group, ref_group.keys())
 
 
 @pytest.mark.parametrize(
     'user_label, expected_status_code',
     [
-        pytest.param('test_user', 204, id='test-user'),
-        pytest.param('other_test_user', 401, id='other-test-user'),
+        pytest.param('user1', 204, id='user1'),
+        pytest.param('user2', 401, id='user2'),
         pytest.param('invalid', 401, id='invalid-user'),
         pytest.param(None, 401, id='guest-user'),
     ],
 )
 def test_delete_group(
+    auth_dict,
     client,
-    other_owner_group,
-    test_auth_dict,
+    group1,
+    group2,
     user_groups_function,
-    user_owner_group,
     user_label,
     expected_status_code,
 ):
-    user_auth, _ = test_auth_dict[user_label]
+    user_auth, _ = auth_dict[user_label]
 
-    response = client.delete(
-        f'{base_url}/{user_owner_group.group_id}', headers=user_auth
-    )
+    response = client.delete(f'{base_url}/{group1.group_id}', headers=user_auth)
     assert_response(response, expected_status_code)
 
     if response.status_code != 204:
-        assert user_group_exists(user_owner_group.group_id)
+        assert user_group_exists(group1.group_id)
         return
 
-    assert not user_group_exists(user_owner_group.group_id)
-    assert user_group_exists(other_owner_group.group_id)
+    assert not user_group_exists(group1.group_id)
+    assert user_group_exists(group2.group_id)
 
 
 @pytest.mark.parametrize(
     'user_label, expected_status_code',
     [
-        pytest.param('test_user', 404, id='test-user'),
-        pytest.param('other_test_user', 404, id='other-test-user'),
+        pytest.param('user1', 404, id='user1'),
+        pytest.param('user2', 404, id='user2'),
         pytest.param('invalid', 401, id='invalid-user'),
         pytest.param(None, 401, id='guest-user'),
     ],
 )
 def test_delete_group_invalid(
     client,
-    test_auth_dict,
+    auth_dict,
     user_groups_function,
-    user_owner_group,
+    group1,
     user_label,
     expected_status_code,
 ):
-    user_auth, _ = test_auth_dict[user_label]
+    user_auth, _ = auth_dict[user_label]
 
     response = client.delete(f'{base_url}/invalid-group-id', headers=user_auth)
     assert_response(response, expected_status_code)
-    assert user_group_exists(user_owner_group.group_id)
+    assert user_group_exists(group1.group_id)
diff --git a/tests/app/v1/routers/test_materials.py b/tests/app/v1/routers/test_materials.py
index f10cfd6fecd887f76e677d2f6f98de676be2f8f2..84882bdbfc1a5ed5d08862f0bfa403a004345c4f 100644
--- a/tests/app/v1/routers/test_materials.py
+++ b/tests/app/v1/routers/test_materials.py
@@ -66,11 +66,11 @@ n_code_names = results.Simulation.program_name.a_elasticsearch[
     aggregation_test_parameters_default('materials'),
 )
 def test_materials_aggregations(
-    client, example_data, test_user_auth, aggregation, total, size, status_code, user
+    client, example_data, user1_auth, aggregation, total, size, status_code, user
 ):
     assert_aggregation_response(
         client,
-        test_user_auth,
+        user1_auth,
         aggregation,
         total,
         size,
@@ -328,9 +328,9 @@ def test_materials_get_query(client, example_data, query, status_code, total):
 def test_materials_owner(
     client,
     example_data,
-    test_user_auth,
-    other_test_user_auth,
-    admin_user_auth,
+    user0_auth,
+    user1_auth,
+    user2_auth,
     owner,
     user,
     status_code,
@@ -342,9 +342,9 @@ def test_materials_owner(
 ):
     perform_owner_test(
         client,
-        test_user_auth,
-        other_test_user_auth,
-        admin_user_auth,
+        user0_auth,
+        user1_auth,
+        user2_auth,
         owner,
         user,
         status_code,
diff --git a/tests/app/v1/routers/test_metainfo.py b/tests/app/v1/routers/test_metainfo.py
index a8208b976cc4b4d27bf8d2f6e43ffbbaade5a24a..b2a65ab51175cdc09e5498c113ef1567e0edd254 100644
--- a/tests/app/v1/routers/test_metainfo.py
+++ b/tests/app/v1/routers/test_metainfo.py
@@ -67,7 +67,7 @@ def test_metainfo_section_id_endpoint(metainfo_data, mongo_module, client):
 
 
 def test_upload_and_download(
-    client, test_user, proc_infra, mongo_module, no_warn, monkeypatch, tmp
+    client, user1, proc_infra, mongo_module, no_warn, monkeypatch, tmp
 ):
     monkeypatch.setattr('nomad.config.process.store_package_definition_in_mongo', True)
     monkeypatch.setattr('nomad.config.process.add_definition_id_to_reference', True)
@@ -141,7 +141,7 @@ def test_upload_and_download(
             zipObj.write(data_path, arcname=data_file_name)
 
         processed = run_processing(
-            (create_uuid(), archive_path), test_user, publish_directly=True
+            (create_uuid(), archive_path), user1, publish_directly=True
         )
         return processed.upload_id
 
@@ -280,7 +280,7 @@ def example_upload_two_schemas():
 
 
 def test_two_schemas(
-    example_upload_two_schemas, client, test_user, proc_infra, no_warn, monkeypatch
+    example_upload_two_schemas, client, user1, proc_infra, no_warn, monkeypatch
 ):
     monkeypatch.setattr('nomad.config.process.store_package_definition_in_mongo', True)
     monkeypatch.setattr('nomad.config.process.add_definition_id_to_reference', True)
@@ -303,7 +303,7 @@ def test_two_schemas(
 
     processed = run_processing(
         (archive_name.replace('.zip', ''), tmp(archive_name)),
-        test_user,
+        user1,
         publish_directly=True,
     )
 
diff --git a/tests/app/v1/routers/test_suggestions.py b/tests/app/v1/routers/test_suggestions.py
index ff96e3a951f44e28550439c2d34e414cd5465615..937aad115af73b98413d9863cb7a857940bd35f2 100644
--- a/tests/app/v1/routers/test_suggestions.py
+++ b/tests/app/v1/routers/test_suggestions.py
@@ -37,11 +37,11 @@ def example_data_suggestions(
     elastic_module,
     raw_files_module,
     mongo_module,
-    test_user,
-    other_test_user,
+    user1,
+    user2,
     normalized,
 ):
-    data = ExampleData(main_author=test_user)
+    data = ExampleData(main_author=user1)
     upload_id = 'suggestions_upload'
 
     data.create_upload(upload_id=upload_id, published=True)
diff --git a/tests/app/v1/routers/test_systems.py b/tests/app/v1/routers/test_systems.py
index ff72a70040bf9cd8fa4351abb043a6387fc74c01..e9cfbc31b09f8109b3ef87645f71ffdd0617b7d7 100644
--- a/tests/app/v1/routers/test_systems.py
+++ b/tests/app/v1/routers/test_systems.py
@@ -126,8 +126,8 @@ atoms_wrap_mode_no_pbc.periodic = [False, False, False]
 
 
 @pytest.fixture(scope='module')
-def example_data_systems(elastic_module, mongo_module, test_user):
-    data = ExampleData(main_author=test_user)
+def example_data_systems(elastic_module, mongo_module, user1):
+    data = ExampleData(main_author=user1)
     upload_id = 'systems_upload'
 
     data.create_upload(upload_id=upload_id, published=True)
diff --git a/tests/app/v1/routers/test_users.py b/tests/app/v1/routers/test_users.py
index 2267c6b83a59b9051b55bcd1d1253ceb68ee515d..8cb91a7fba84bc2f3bc2057f34dbea6904aab4d3 100644
--- a/tests/app/v1/routers/test_users.py
+++ b/tests/app/v1/routers/test_users.py
@@ -17,8 +17,8 @@
 #
 import pytest
 
-from tests.fixtures.users import test_users as conf_test_users
-from tests.utils import test_user_uuid as conf_test_user_uuid
+from tests.fixtures.users import users
+from tests.utils import fake_user_uuid
 
 
 def assert_user(user, expected_user):
@@ -27,8 +27,8 @@ def assert_user(user, expected_user):
     assert 'email' not in user
 
 
-def test_me(client, test_user_auth, app_token_auth):
-    response = client.get('users/me', headers=test_user_auth)
+def test_me(client, user1_auth, app_token_auth):
+    response = client.get('users/me', headers=user1_auth)
     assert response.status_code == 200
     response = client.get('users/me', headers=app_token_auth)
     assert response.status_code == 200
@@ -44,10 +44,10 @@ def test_me_auth_bad_token(client):
     assert response.status_code == 401
 
 
-def test_invite(client, test_user_auth, no_warn):
+def test_invite(client, user1_auth, no_warn):
     rv = client.put(
         'users/invite',
-        headers=test_user_auth,
+        headers=user1_auth,
         json={
             'first_name': 'John',
             'last_name': 'Doe',
@@ -68,28 +68,28 @@ def test_invite(client, test_user_auth, no_warn):
         pytest.param(
             dict(prefix='Sheldon'),
             200,
-            conf_test_users[conf_test_user_uuid(1)],
+            users[fake_user_uuid(1)],
             id='search-user',
         ),
         pytest.param(
-            dict(user_id=conf_test_user_uuid(1)),
+            dict(user_id=fake_user_uuid(1)),
             200,
-            conf_test_users[conf_test_user_uuid(1)],
+            users[fake_user_uuid(1)],
             id='one-user-id',
         ),
         pytest.param(
-            dict(user_id=[conf_test_user_uuid(1), conf_test_user_uuid(2)]),
+            dict(user_id=[fake_user_uuid(1), fake_user_uuid(2)]),
             200,
             [
-                conf_test_users[conf_test_user_uuid(1)],
-                conf_test_users[conf_test_user_uuid(2)],
+                users[fake_user_uuid(1)],
+                users[fake_user_uuid(2)],
             ],
             id='multi-user-id',
         ),
         pytest.param(
-            dict(user_id=[conf_test_user_uuid(1), conf_test_user_uuid(9)]),
+            dict(user_id=[fake_user_uuid(1), fake_user_uuid(9)]),
             200,
-            [conf_test_users[conf_test_user_uuid(1)]],
+            [users[fake_user_uuid(1)]],
             id='wrong-user-id',
         ),
     ],
@@ -132,9 +132,9 @@ def test_users(client, args, expected_status_code, expected_content):
     'args, expected_status_code, expected_content',
     [
         pytest.param(
-            dict(user_id=conf_test_user_uuid(1)),
+            dict(user_id=fake_user_uuid(1)),
             200,
-            conf_test_users[conf_test_user_uuid(1)],
+            users[fake_user_uuid(1)],
             id='valid-user',
         )
     ],
diff --git a/tests/app/v1/routers/uploads/test_basic_uploads.py b/tests/app/v1/routers/uploads/test_basic_uploads.py
index c2687f05fb2bae0b97a6d0ce34b26db203744f36..4c60d95db251a88fcb907062211909490e2eb830 100644
--- a/tests/app/v1/routers/uploads/test_basic_uploads.py
+++ b/tests/app/v1/routers/uploads/test_basic_uploads.py
@@ -147,7 +147,7 @@ def assert_file_upload_and_processing(
     url,
     mode,
     user,
-    test_auth_dict,
+    auth_dict,
     upload_id,
     source_paths,
     target_path,
@@ -167,7 +167,7 @@ def assert_file_upload_and_processing(
     source_paths = source_paths or []
     if isinstance(source_paths, str):
         source_paths = [source_paths]
-    user_auth, token = test_auth_dict[user]
+    user_auth, token = auth_dict[user]
     # Use either token or bearer token for the post operation (never both)
     user_auth_action = user_auth
     if use_upload_token:
@@ -457,7 +457,7 @@ def get_upload_entries_metadata(
         ),
         pytest.param(
             dict(
-                user='other_test_user',
+                user='user2',
                 expected_upload_ids=[
                     'id_embargo_w_coauthor',
                     'id_embargo_w_reviewer',
@@ -465,7 +465,7 @@ def get_upload_entries_metadata(
                     'id_unpublished_w_reviewer',
                 ],
             ),
-            id='other_test_user',
+            id='user2',
         ),
         pytest.param(dict(user=None, expected_status_code=401), id='no-credentials'),
         pytest.param(
@@ -627,7 +627,7 @@ def get_upload_entries_metadata(
         ),
         pytest.param(
             dict(
-                user='other_test_user',
+                user='user2',
                 query_params={'roles': 'coauthor'},
                 expected_pagination={'total': 2},
             ),
@@ -635,7 +635,7 @@ def get_upload_entries_metadata(
         ),
         pytest.param(
             dict(
-                user='other_test_user',
+                user='user2',
                 query_params={'roles': 'reviewer'},
                 expected_pagination={'total': 2},
             ),
@@ -643,7 +643,7 @@ def get_upload_entries_metadata(
         ),
         pytest.param(
             dict(
-                user='test_user',
+                user='user1',
                 query_params={'roles': 'main_author'},
                 expected_pagination={'total': 10},
             ),
@@ -651,7 +651,7 @@ def get_upload_entries_metadata(
         ),
         pytest.param(
             dict(
-                user='other_test_user',
+                user='user2',
                 query_params={'roles': ['reviewer', 'coauthor']},
                 expected_pagination={'total': 4},
             ),
@@ -659,15 +659,15 @@ def get_upload_entries_metadata(
         ),
     ],
 )
-def test_get_uploads(client, mongo_module, test_auth_dict, example_data, kwargs):
+def test_get_uploads(client, mongo_module, auth_dict, example_data, kwargs):
     """Makes a get request to uploads in various different ways."""
     # Extract kwargs
-    user = kwargs.get('user', 'test_user')
+    user = kwargs.get('user', 'user1')
     query_params = kwargs.get('query_params', {})
     expected_status_code = kwargs.get('expected_status_code', 200)
     expected_upload_ids = kwargs.get('expected_upload_ids', None)
     expected_pagination = kwargs.get('expected_pagination', {})
-    user_auth, __token = test_auth_dict[user]
+    user_auth, __token = auth_dict[user]
     # Api call
     response = perform_get(client, 'uploads', user_auth=user_auth, **query_params)
     # Verify result
@@ -691,27 +691,27 @@ def test_get_uploads(client, mongo_module, test_auth_dict, example_data, kwargs)
 @pytest.mark.parametrize(
     'user, upload_id, expected_status_code',
     [
-        pytest.param('test_user', 'id_unpublished', 200, id='valid-upload_id'),
+        pytest.param('user1', 'id_unpublished', 200, id='valid-upload_id'),
         pytest.param(
-            'test_user', 'id_child_entries', 200, id='valid-upload_id-w-child-entries'
+            'user1', 'id_child_entries', 200, id='valid-upload_id-w-child-entries'
         ),
-        pytest.param('test_user', 'silly_value', 404, id='invalid-upload_id'),
+        pytest.param('user1', 'silly_value', 404, id='invalid-upload_id'),
         pytest.param(None, 'id_unpublished', 401, id='no-credentials'),
         pytest.param('invalid', 'id_unpublished', 401, id='invalid-credentials'),
-        pytest.param('other_test_user', 'id_unpublished', 401, id='no-access'),
-        pytest.param('admin_user', 'id_unpublished', 200, id='admin-access'),
+        pytest.param('user2', 'id_unpublished', 401, id='no-access'),
+        pytest.param('user0', 'id_unpublished', 200, id='admin-access'),
     ],
 )
 def test_get_upload(
     client,
     mongo_module,
-    test_auth_dict,
+    auth_dict,
     user,
     upload_id,
     expected_status_code,
 ):
     """Tests the endpoint for getting an upload by upload_id."""
-    user_auth, __token = test_auth_dict[user]
+    user_auth, __token = auth_dict[user]
     response = perform_get(client, f'uploads/{upload_id}', user_auth)
     assert_response(response, expected_status_code)
     if expected_status_code == 200:
@@ -760,10 +760,8 @@ def test_get_upload(
         pytest.param(
             dict(user='invalid', expected_status_code=401), id='invalid-credentials'
         ),
-        pytest.param(
-            dict(user='other_test_user', expected_status_code=401), id='no-access'
-        ),
-        pytest.param(dict(user='admin_user', expected_data_len=1), id='admin-access'),
+        pytest.param(dict(user='user2', expected_status_code=401), id='no-access'),
+        pytest.param(dict(user='user0', expected_data_len=1), id='admin-access'),
         pytest.param(
             dict(upload_id='silly_value', expected_status_code=404),
             id='invalid-upload_id',
@@ -915,19 +913,19 @@ def test_get_upload(
         ),
     ],
 )
-def test_get_upload_entries(client, mongo_module, test_auth_dict, example_data, kwargs):
+def test_get_upload_entries(client, mongo_module, auth_dict, example_data, kwargs):
     """
     Fetches the entries for a specific upload, by calling uploads/{upload_id}/entries,
     with the provided query paramters, and checks the result.
     """
     upload_id = kwargs.get('upload_id', 'id_embargo')
-    user = kwargs.get('user', 'test_user')
+    user = kwargs.get('user', 'user1')
     query_args = kwargs.get('query_args', {})
     expected_status_code = kwargs.get('expected_status_code', 200)
     expected_data_len = kwargs.get('expected_data_len', 1)
     expected_response = kwargs.get('expected_response', {})
     expected_pagination = kwargs.get('expected_pagination', {})
-    user_auth, __token = test_auth_dict[user]
+    user_auth, __token = auth_dict[user]
 
     response = perform_get(
         client, f'uploads/{upload_id}/entries', user_auth, **query_args
@@ -953,11 +951,11 @@ def test_get_upload_entries(client, mongo_module, test_auth_dict, example_data,
 @pytest.mark.parametrize(
     'upload_id, entry_id, user, expected_status_code',
     [
-        pytest.param('id_embargo', 'id_embargo_1', 'test_user', 200, id='ok'),
+        pytest.param('id_embargo', 'id_embargo_1', 'user1', 200, id='ok'),
         pytest.param(
             'id_child_entries',
             'id_child_entries_child1',
-            'test_user',
+            'user1',
             200,
             id='child-entry',
         ),
@@ -965,24 +963,18 @@ def test_get_upload_entries(client, mongo_module, test_auth_dict, example_data,
         pytest.param(
             'id_embargo', 'id_embargo_1', 'invalid', 401, id='invalid-credentials'
         ),
+        pytest.param('id_embargo', 'id_embargo_1', 'user2', 401, id='no-access'),
+        pytest.param('id_embargo', 'id_embargo_1', 'user0', 200, id='admin-access'),
         pytest.param(
-            'id_embargo', 'id_embargo_1', 'other_test_user', 401, id='no-access'
-        ),
-        pytest.param(
-            'id_embargo', 'id_embargo_1', 'admin_user', 200, id='admin-access'
-        ),
-        pytest.param(
-            'silly_value', 'id_embargo_1', 'test_user', 404, id='invalid-upload_id'
-        ),
-        pytest.param(
-            'id_embargo', 'silly_value', 'test_user', 404, id='invalid-entry_id'
+            'silly_value', 'id_embargo_1', 'user1', 404, id='invalid-upload_id'
         ),
+        pytest.param('id_embargo', 'silly_value', 'user1', 404, id='invalid-entry_id'),
     ],
 )
 def test_get_upload_entry(
     client,
     mongo_module,
-    test_auth_dict,
+    auth_dict,
     example_data,
     upload_id,
     entry_id,
@@ -992,7 +984,7 @@ def test_get_upload_entry(
     """
     Fetches an entry via a call to uploads/{upload_id}/entries/{entry_id} and checks it.
     """
-    user_auth, __token = test_auth_dict[user]
+    user_auth, __token = auth_dict[user]
     response = perform_get(client, f'uploads/{upload_id}/entries/{entry_id}', user_auth)
     assert_response(response, expected_status_code)
     if expected_status_code == 200:
@@ -1007,7 +999,7 @@ def test_get_upload_entry(
     [
         pytest.param(
             dict(
-                user='test_user',
+                user='user1',
                 upload_id='id_published',
             ),
             200,
@@ -1015,19 +1007,19 @@ def test_get_upload_entry(
             id='published-file',
         ),
         pytest.param(
-            dict(user='test_user', upload_id='id_unpublished'),
+            dict(user='user1', upload_id='id_unpublished'),
             400,
             None,
             id='unpublished-file',
         ),
         pytest.param(
-            dict(user='other_test_user', upload_id='id_embargo'),
+            dict(user='user2', upload_id='id_embargo'),
             401,
             None,
             id='embargo-file',
         ),
         pytest.param(
-            dict(user='test_user', upload_id='silly_value'),
+            dict(user='user1', upload_id='silly_value'),
             404,
             None,
             id='bad-upload-id',
@@ -1037,14 +1029,14 @@ def test_get_upload_entry(
 def test_get_upload_raw(
     client,
     example_data,
-    test_auth_dict,
+    auth_dict,
     args,
     expected_status_code,
     expected_content,
 ):
     user = args['user']
     upload_id = args['upload_id']
-    user_auth, __token = test_auth_dict[user]
+    user_auth, __token = auth_dict[user]
 
     response = perform_get(client, f'uploads/{upload_id}/raw', user_auth=user_auth)
 
@@ -1064,7 +1056,7 @@ def test_get_upload_raw(
     [
         pytest.param(
             dict(
-                user='test_user',
+                user='user1',
                 upload_id='id_unpublished',
                 path='test_content/id_unpublished_1/1.aux',
             ),
@@ -1075,7 +1067,7 @@ def test_get_upload_raw(
         ),
         pytest.param(
             dict(
-                user='test_user',
+                user='user1',
                 upload_id='id_unpublished',
                 path='test_content/id_unpublished_1/1.aux',
                 ignore_mime_type=True,
@@ -1087,7 +1079,7 @@ def test_get_upload_raw(
         ),
         pytest.param(
             dict(
-                user='other_test_user',
+                user='user2',
                 upload_id='id_unpublished',
                 path='test_content/id_unpublished_1/1.aux',
             ),
@@ -1098,7 +1090,7 @@ def test_get_upload_raw(
         ),
         pytest.param(
             dict(
-                user='admin_user',
+                user='user0',
                 upload_id='id_unpublished',
                 path='test_content/id_unpublished_1/1.aux',
             ),
@@ -1109,7 +1101,7 @@ def test_get_upload_raw(
         ),
         pytest.param(
             dict(
-                user='test_user',
+                user='user1',
                 upload_id='id_published',
                 path='test_content/subdir/test_entry_01/mainfile.json',
             ),
@@ -1120,7 +1112,7 @@ def test_get_upload_raw(
         ),
         pytest.param(
             dict(
-                user='test_user',
+                user='user1',
                 upload_id='id_published',
                 path='test_content/subdir/test_entry_01/mainfile.json',
                 ignore_mime_type=True,
@@ -1132,7 +1124,7 @@ def test_get_upload_raw(
         ),
         pytest.param(
             dict(
-                user='admin_user',
+                user='user0',
                 upload_id='id_published',
                 path='test_content/subdir/test_entry_01/1.aux',
             ),
@@ -1143,7 +1135,7 @@ def test_get_upload_raw(
         ),
         pytest.param(
             dict(
-                user='test_user',
+                user='user1',
                 upload_id='id_unpublished',
                 path='test_content/id_unpublished_1/1.aux',
                 compress=True,
@@ -1155,7 +1147,7 @@ def test_get_upload_raw(
         ),
         pytest.param(
             dict(
-                user='test_user',
+                user='user1',
                 upload_id='id_unpublished',
                 path='test_content/id_unpublished_1/',
                 compress=True,
@@ -1166,7 +1158,7 @@ def test_get_upload_raw(
             id='unpublished-dir-compressed',
         ),
         pytest.param(
-            dict(user='test_user', upload_id='id_unpublished', path='', compress=True),
+            dict(user='user1', upload_id='id_unpublished', path='', compress=True),
             200,
             'application/zip',
             [
@@ -1178,7 +1170,7 @@ def test_get_upload_raw(
         ),
         pytest.param(
             dict(
-                user='test_user',
+                user='user1',
                 upload_id='id_published',
                 path='test_content/subdir/test_entry_01/1.aux',
                 compress=True,
@@ -1190,7 +1182,7 @@ def test_get_upload_raw(
         ),
         pytest.param(
             dict(
-                user='test_user',
+                user='user1',
                 upload_id='id_published',
                 path='test_content/subdir/test_entry_01',
                 compress=True,
@@ -1201,7 +1193,7 @@ def test_get_upload_raw(
             id='published-dir-compressed',
         ),
         pytest.param(
-            dict(user='test_user', upload_id='id_published', path='', compress=True),
+            dict(user='user1', upload_id='id_published', path='', compress=True),
             200,
             'application/zip',
             ['test_content', 'test_content/subdir/test_entry_01/1.aux'],
@@ -1209,7 +1201,7 @@ def test_get_upload_raw(
         ),
         pytest.param(
             dict(
-                user='test_user',
+                user='user1',
                 upload_id='silly_value',
                 path='test_content/subdir/test_entry_01/1.aux',
                 compress=True,
@@ -1221,7 +1213,7 @@ def test_get_upload_raw(
         ),
         pytest.param(
             dict(
-                user='test_user',
+                user='user1',
                 upload_id='id_published',
                 path='test_content/silly_name',
                 compress=True,
@@ -1233,7 +1225,7 @@ def test_get_upload_raw(
         ),
         pytest.param(
             dict(
-                user='test_user',
+                user='user1',
                 upload_id='id_unpublished',
                 path='test_content/id_unpublished_1/1.aux',
                 offset=2,
@@ -1245,7 +1237,7 @@ def test_get_upload_raw(
         ),
         pytest.param(
             dict(
-                user='test_user',
+                user='user1',
                 upload_id='id_unpublished',
                 path='test_content/id_unpublished_1/1.aux',
                 offset=2,
@@ -1258,7 +1250,7 @@ def test_get_upload_raw(
         ),
         pytest.param(
             dict(
-                user='test_user',
+                user='user1',
                 upload_id='id_published',
                 path='test_content/subdir/test_entry_01/1.aux',
                 offset=2,
@@ -1270,7 +1262,7 @@ def test_get_upload_raw(
         ),
         pytest.param(
             dict(
-                user='test_user',
+                user='user1',
                 upload_id='id_published',
                 path='test_content/subdir/test_entry_01/1.aux',
                 offset=2,
@@ -1283,7 +1275,7 @@ def test_get_upload_raw(
         ),
         pytest.param(
             dict(
-                user='test_user',
+                user='user1',
                 upload_id='id_published',
                 path='test_content/subdir/test_entry_01/1.aux',
                 offset=-3,
@@ -1295,7 +1287,7 @@ def test_get_upload_raw(
         ),
         pytest.param(
             dict(
-                user='test_user',
+                user='user1',
                 upload_id='id_published',
                 path='test_content/subdir/test_entry_01/1.aux',
                 offset=3,
@@ -1330,7 +1322,7 @@ def test_get_upload_raw(
         ),
         pytest.param(
             dict(
-                user='other_test_user',
+                user='user2',
                 upload_id='id_unpublished',
                 path='test_content/id_unpublished_1/1.aux',
             ),
@@ -1341,7 +1333,7 @@ def test_get_upload_raw(
         ),
         pytest.param(
             dict(
-                user='admin_user',
+                user='user0',
                 upload_id='id_unpublished',
                 path='test_content/id_unpublished_1/1.aux',
             ),
@@ -1355,7 +1347,7 @@ def test_get_upload_raw(
 def test_get_upload_raw_path(
     client,
     example_data,
-    test_auth_dict,
+    auth_dict,
     args,
     expected_status_code,
     expected_mime_type,
@@ -1370,7 +1362,7 @@ def test_get_upload_raw_path(
     offset = args.get('offset', None)
     length = args.get('length', None)
     ignore_mime_type = args.get('ignore_mime_type', None)
-    user_auth, __token = test_auth_dict[user]
+    user_auth, __token = auth_dict[user]
     query_args = dict(
         ignore_mime_type=ignore_mime_type,
         compress=compress,
@@ -1443,7 +1435,7 @@ def test_get_upload_raw_path(
     'user, upload_id, path, query_args, expected_status_code, expected_content, expected_file_metadata, expected_pagination',
     [
         pytest.param(
-            'test_user',
+            'user1',
             'id_published',
             'test_content/subdir/silly_value',
             {},
@@ -1454,7 +1446,7 @@ def test_get_upload_raw_path(
             id='bad-path',
         ),
         pytest.param(
-            'test_user',
+            'user1',
             'id_published',
             'test_content/subdir/test_entry_01',
             {},
@@ -1465,7 +1457,7 @@ def test_get_upload_raw_path(
             id='published-dir',
         ),
         pytest.param(
-            'test_user',
+            'user1',
             'id_published',
             'test_content/subdir/test_entry_01',
             {'include_entry_info': True},
@@ -1476,7 +1468,7 @@ def test_get_upload_raw_path(
             id='published-dir-include_entry_info',
         ),
         pytest.param(
-            'test_user',
+            'user1',
             'id_published',
             'test_content/subdir/test_entry_01',
             {'include_entry_info': True, 'page_size': 2, 'page': 3},
@@ -1487,7 +1479,7 @@ def test_get_upload_raw_path(
             id='published-dir-include_entry_info-page3',
         ),
         pytest.param(
-            'test_user',
+            'user1',
             'id_published',
             '',
             {},
@@ -1498,7 +1490,7 @@ def test_get_upload_raw_path(
             id='published-dir-root',
         ),
         pytest.param(
-            'test_user',
+            'user1',
             'id_unpublished',
             'test_content/id_unpublished_1/',
             {},
@@ -1509,7 +1501,7 @@ def test_get_upload_raw_path(
             id='unpublished-dir',
         ),
         pytest.param(
-            'test_user',
+            'user1',
             'id_unpublished',
             'test_content/id_unpublished_1/',
             {'page_size': 3, 'page': 1},
@@ -1520,7 +1512,7 @@ def test_get_upload_raw_path(
             id='unpublished-dir-page1',
         ),
         pytest.param(
-            'test_user',
+            'user1',
             'id_unpublished',
             'test_content/id_unpublished_1/',
             {'page_size': 2, 'page': 4},
@@ -1531,7 +1523,7 @@ def test_get_upload_raw_path(
             id='unpublished-dir-page-out-of-range',
         ),
         pytest.param(
-            'test_user',
+            'user1',
             'id_unpublished',
             'test_content/id_unpublished_1/',
             {'include_entry_info': True},
@@ -1542,7 +1534,7 @@ def test_get_upload_raw_path(
             id='unpublished-dir-include_entry_info',
         ),
         pytest.param(
-            'test_user',
+            'user1',
             'id_child_entries',
             'test_content',
             {'include_entry_info': True},
@@ -1553,7 +1545,7 @@ def test_get_upload_raw_path(
             id='dir-child-entries-include_entry_info',
         ),
         pytest.param(
-            'test_user',
+            'user1',
             'id_unpublished',
             '',
             {},
@@ -1564,7 +1556,7 @@ def test_get_upload_raw_path(
             id='unpublished-dir-root',
         ),
         pytest.param(
-            'test_user',
+            'user1',
             'id_unpublished',
             'test_content/id_unpublished_1/2.aux',
             {'include_entry_info': True},
@@ -1575,7 +1567,7 @@ def test_get_upload_raw_path(
             id='unpublished-aux-file',
         ),
         pytest.param(
-            'test_user',
+            'user1',
             'id_published',
             'test_content/subdir/test_entry_01/mainfile.json',
             {'include_entry_info': True},
@@ -1591,7 +1583,7 @@ def test_get_upload_raw_path(
             id='published-main-file',
         ),
         pytest.param(
-            'other_test_user',
+            'user2',
             'id_unpublished',
             'test_content/id_unpublished_1',
             {},
@@ -1602,7 +1594,7 @@ def test_get_upload_raw_path(
             id='unpublished-no-access',
         ),
         pytest.param(
-            'other_test_user',
+            'user2',
             'id_embargo',
             'test_content/id_embargo_1',
             {},
@@ -1613,7 +1605,7 @@ def test_get_upload_raw_path(
             id='embargoed-no-access',
         ),
         pytest.param(
-            'other_test_user',
+            'user2',
             'id_embargo_w_coauthor',
             'test_content/id_embargo_w_coauthor_1',
             {},
@@ -1628,7 +1620,7 @@ def test_get_upload_raw_path(
 def test_get_upload_rawdir_path(
     client,
     example_data,
-    test_auth_dict,
+    auth_dict,
     user,
     upload_id,
     path,
@@ -1638,7 +1630,7 @@ def test_get_upload_rawdir_path(
     expected_file_metadata,
     expected_pagination,
 ):
-    user_auth, __token = test_auth_dict[user]
+    user_auth, __token = auth_dict[user]
 
     response = perform_get(
         client, f'uploads/{upload_id}/rawdir/{path}', user_auth=user_auth, **query_args
@@ -1713,14 +1705,14 @@ def test_get_upload_rawdir_path(
         pytest.param(
             'id_unpublished',
             'test_content/id_unpublished_1/mainfile.json',
-            'test_user',
+            'user1',
             200,
             id='auth',
         ),
         pytest.param(
             'id_child_entries',
             'test_content/mainfile_w_children.json',
-            'test_user',
+            'user1',
             200,
             id='entry-w-child-entries',
         ),
@@ -1729,13 +1721,13 @@ def test_get_upload_rawdir_path(
 def test_get_upload_entry_archive_mainfile(
     client,
     example_data,
-    test_auth_dict,
+    auth_dict,
     upload_id: str,
     mainfile: str,
     user: str,
     status_code: int,
 ):
-    user_auth, _ = test_auth_dict[user]
+    user_auth, _ = auth_dict[user]
     response = client.get(
         f'uploads/{upload_id}/archive/mainfile/{mainfile}', headers=user_auth
     )
@@ -1751,11 +1743,11 @@ def test_get_upload_entry_archive_mainfile(
         pytest.param('id_published', 'doesnotexist', None, 404, id='bad-entry-id'),
         pytest.param('id_doesnotexist', 'id_01', None, 404, id='bad-upload-id'),
         pytest.param('id_unpublished', 'id_unpublished_1', None, 401, id='unpublished'),
-        pytest.param('id_unpublished', 'id_unpublished_1', 'test_user', 200, id='auth'),
+        pytest.param('id_unpublished', 'id_unpublished_1', 'user1', 200, id='auth'),
         pytest.param(
             'id_child_entries',
             'id_child_entries_child1',
-            'test_user',
+            'user1',
             200,
             id='child-entry',
         ),
@@ -1764,13 +1756,13 @@ def test_get_upload_entry_archive_mainfile(
 def test_get_upload_entry_archive(
     client,
     example_data,
-    test_auth_dict,
+    auth_dict,
     upload_id: str,
     entry_id: str,
     user: str,
     status_code: int,
 ):
-    user_auth, _ = test_auth_dict[user]
+    user_auth, _ = auth_dict[user]
     response = client.get(f'uploads/{upload_id}/archive/{entry_id}', headers=user_auth)
     assert_response(response, status_code)
     if status_code == 200:
@@ -1834,7 +1826,7 @@ def test_get_upload_entry_archive(
         ),
         pytest.param(
             'multipart',
-            'admin_user',
+            'user0',
             'id_published_w',
             example_file_aux,
             '',
@@ -1847,7 +1839,7 @@ def test_get_upload_entry_archive(
         ),
         pytest.param(
             'multipart',
-            'admin_user',
+            'user0',
             'id_processing_w',
             example_file_aux,
             '',
@@ -1860,7 +1852,7 @@ def test_get_upload_entry_archive(
         ),
         pytest.param(
             'multipart',
-            'other_test_user',
+            'user2',
             'silly_value',
             example_file_aux,
             '',
@@ -1873,7 +1865,7 @@ def test_get_upload_entry_archive(
         ),
         pytest.param(
             'multipart',
-            'other_test_user',
+            'user2',
             'examples_template',
             example_file_aux,
             '',
@@ -1886,7 +1878,7 @@ def test_get_upload_entry_archive(
         ),
         pytest.param(
             'multipart',
-            'test_user',
+            'user1',
             'examples_template',
             None,
             '',
@@ -1899,7 +1891,7 @@ def test_get_upload_entry_archive(
         ),
         pytest.param(
             'local_path',
-            'test_user',
+            'user1',
             'examples_template',
             example_file_aux,
             '',
@@ -1912,7 +1904,7 @@ def test_get_upload_entry_archive(
         ),
         pytest.param(
             'stream',
-            'test_user',
+            'user1',
             'examples_template',
             example_file_aux,
             '',
@@ -1925,7 +1917,7 @@ def test_get_upload_entry_archive(
         ),
         pytest.param(
             'stream',
-            'test_user',
+            'user1',
             'id_unpublished_w',
             example_file_aux,
             'test_content/test_embargo_entry',
@@ -1938,7 +1930,7 @@ def test_get_upload_entry_archive(
         ),
         pytest.param(
             'stream',
-            'test_user',
+            'user1',
             'id_unpublished_w',
             None,
             'test_content/test_embargo_entry',
@@ -1955,7 +1947,7 @@ def test_get_upload_entry_archive(
         ),
         pytest.param(
             'multipart',
-            'test_user',
+            'user1',
             'examples_template',
             example_file_aux,
             '',
@@ -1968,7 +1960,7 @@ def test_get_upload_entry_archive(
         ),
         pytest.param(
             'stream',
-            'test_user',
+            'user1',
             'examples_template',
             None,
             '',
@@ -1985,7 +1977,7 @@ def test_get_upload_entry_archive(
         ),
         pytest.param(
             'stream',
-            'test_user',
+            'user1',
             'examples_template',
             None,
             '',
@@ -2002,7 +1994,7 @@ def test_get_upload_entry_archive(
         ),
         pytest.param(
             'stream',
-            'test_user',
+            'user1',
             'examples_template',
             None,
             '',
@@ -2019,7 +2011,7 @@ def test_get_upload_entry_archive(
         ),
         pytest.param(
             'stream',
-            'test_user',
+            'user1',
             'examples_template',
             None,
             '',
@@ -2036,7 +2028,7 @@ def test_get_upload_entry_archive(
         ),
         pytest.param(
             'stream',
-            'test_user',
+            'user1',
             'examples_template',
             example_file_aux,
             '',
@@ -2049,7 +2041,7 @@ def test_get_upload_entry_archive(
         ),
         pytest.param(
             'local_path',
-            'admin_user',
+            'user0',
             'examples_template',
             example_file_aux,
             '',
@@ -2062,7 +2054,7 @@ def test_get_upload_entry_archive(
         ),
         pytest.param(
             'stream',
-            'test_user',
+            'user1',
             'examples_template',
             example_file_aux,
             '',
@@ -2075,7 +2067,7 @@ def test_get_upload_entry_archive(
         ),
         pytest.param(
             'stream',
-            'test_user',
+            'user1',
             'examples_template',
             example_file_aux,
             'dir1/dir2/dir3',
@@ -2088,7 +2080,7 @@ def test_get_upload_entry_archive(
         ),
         pytest.param(
             'stream',
-            'test_user',
+            'user1',
             'examples_template',
             example_file_vasp_with_binary,
             'dir1/dir2',
@@ -2105,7 +2097,7 @@ def test_get_upload_entry_archive(
         ),
         pytest.param(
             'stream',
-            'test_user',
+            'user1',
             'examples_template',
             example_file_aux,
             'examples_template',
@@ -2118,7 +2110,7 @@ def test_get_upload_entry_archive(
         ),
         pytest.param(
             'stream',
-            'test_user',
+            'user1',
             'examples_template',
             example_file_vasp_with_binary,
             '',
@@ -2135,7 +2127,7 @@ def test_get_upload_entry_archive(
         ),
         pytest.param(
             'stream',
-            'test_user',
+            'user1',
             'examples_template',
             example_file_corrupt_zip,
             '',
@@ -2148,7 +2140,7 @@ def test_get_upload_entry_archive(
         ),
         pytest.param(
             'multipart',
-            'test_user',
+            'user1',
             'examples_template',
             example_file_aux,
             'examples_template',
@@ -2161,7 +2153,7 @@ def test_get_upload_entry_archive(
         ),
         pytest.param(
             'multipart',
-            'test_user',
+            'user1',
             'examples_template',
             example_file_mainfile_different_atoms,
             'dir1/dir2',
@@ -2174,7 +2166,7 @@ def test_get_upload_entry_archive(
         ),
         pytest.param(
             'multipart',
-            'test_user',
+            'user1',
             'examples_template',
             example_file_mainfile_different_atoms,
             'dir1/dir2',
@@ -2187,7 +2179,7 @@ def test_get_upload_entry_archive(
         ),
         pytest.param(
             'multipart',
-            'test_user',
+            'user1',
             'examples_template',
             example_file_mainfile_different_atoms,
             'examples_template',
@@ -2200,7 +2192,7 @@ def test_get_upload_entry_archive(
         ),
         pytest.param(
             'multipart',
-            'test_user',
+            'user1',
             'examples_template',
             example_file_unparsable,
             'examples_template',
@@ -2213,7 +2205,7 @@ def test_get_upload_entry_archive(
         ),
         pytest.param(
             'multipart',
-            'test_user',
+            'user1',
             'examples_template',
             example_file_vasp_with_binary,
             'examples_template',
@@ -2226,7 +2218,7 @@ def test_get_upload_entry_archive(
         ),
         pytest.param(
             'multipart',
-            'test_user',
+            'user1',
             'examples_template',
             [example_file_vasp_with_binary, example_file_aux],
             'dir1',
@@ -2243,7 +2235,7 @@ def test_get_upload_entry_archive(
         ),
         pytest.param(
             'multipart',
-            'test_user',
+            'user1',
             'examples_template',
             [example_file_aux, example_file_corrupt_zip],
             'dir1',
@@ -2261,7 +2253,7 @@ def test_put_upload_raw_path(
     proc_infra,
     non_empty_processed,
     example_data_writeable,
-    test_auth_dict,
+    auth_dict,
     mode,
     user,
     upload_id,
@@ -2289,7 +2281,7 @@ def test_put_upload_raw_path(
         url,
         mode,
         user,
-        test_auth_dict,
+        auth_dict,
         upload_id,
         source_paths,
         target_path,
@@ -2337,14 +2329,14 @@ def test_put_upload_raw_path(
 
 @pytest.mark.parametrize(
     'mode, user, expected_status_code',
-    [pytest.param('multipart', 'test_user', 409, id='conflict_in_concurrent_editing')],
+    [pytest.param('multipart', 'user1', 409, id='conflict_in_concurrent_editing')],
 )
 def test_editing_raw_file(
     client,
     proc_infra,
     non_empty_processed,
     example_data_writeable,
-    test_auth_dict,
+    auth_dict,
     mode,
     user,
     expected_status_code,
@@ -2354,7 +2346,7 @@ def test_editing_raw_file(
     action = 'PUT'
     url = f'uploads/{upload_id}/raw/{target_path}'
     path = 'examples_template/template.json'
-    user_auth, __token = test_auth_dict[user]
+    user_auth, __token = auth_dict[user]
 
     # Get an existing upload with entries
     response = perform_get(
@@ -2377,7 +2369,7 @@ def test_editing_raw_file(
         url,
         mode,
         user,
-        test_auth_dict,
+        auth_dict,
         upload_id,
         example_file_mainfile_different_atoms,
         target_path,
@@ -2403,7 +2395,7 @@ def test_editing_raw_file(
         url,
         mode,
         user,
-        test_auth_dict,
+        auth_dict,
         upload_id,
         example_file_mainfile_different_atoms,
         target_path,
@@ -2438,7 +2430,7 @@ def test_editing_raw_file(
         url,
         mode,
         user,
-        test_auth_dict,
+        auth_dict,
         upload_id,
         example_file_mainfile_different_atoms,
         target_path,
@@ -2477,7 +2469,7 @@ def test_editing_raw_file(
         url,
         mode,
         user,
-        test_auth_dict,
+        auth_dict,
         upload_id,
         example_file_mainfile_different_atoms,
         target_path,
@@ -2496,41 +2488,41 @@ def test_editing_raw_file(
     'user, upload_id, path, expected_status_code',
     [
         pytest.param(
-            'test_user', 'id_published_w', 'test_content/newdir', 401, id='published'
+            'user1', 'id_published_w', 'test_content/newdir', 401, id='published'
         ),
         pytest.param(
             None, 'id_unpublished_w', 'test_content/newdir', 401, id='no-credentials'
         ),
         pytest.param(
-            'other_test_user',
+            'user2',
             'id_unpublished_w',
             'test_content/newdir',
             401,
             id='no-access',
         ),
         pytest.param(
-            'admin_user',
+            'user0',
             'id_unpublished_w',
             'test_content/newdir',
             200,
             id='admin-access',
         ),
         pytest.param(
-            'test_user',
+            'user1',
             'id_unpublished_w',
             'test_content/test_embargo_entry/newdir',
             200,
             id='ok',
         ),
         pytest.param(
-            'test_user',
+            'user1',
             'id_unpublished_w',
             'test_content/chars?! "\'@#$%&\\()[]{}=+`´^~*,.;:|<>',
             200,
             id='special-chars',
         ),
         pytest.param(
-            'test_user',
+            'user1',
             'id_unpublished_w',
             'test_content/test_embargo_entry/mainfile.json/newdir',
             400,
@@ -2542,13 +2534,13 @@ def test_post_upload_raw_create_dir_path(
     client,
     proc_infra,
     example_data_writeable,
-    test_auth_dict,
+    auth_dict,
     user,
     upload_id,
     path,
     expected_status_code,
 ):
-    user_auth, _token = test_auth_dict[user]
+    user_auth, _token = auth_dict[user]
     response = client.post(
         f'uploads/{upload_id}/raw-create-dir/{requests.utils.quote(path)}',
         headers=user_auth,
@@ -2564,7 +2556,7 @@ def test_post_upload_raw_create_dir_path(
     'user, upload_id, path, use_upload_token, expected_status_code, expected_mainfiles',
     [
         pytest.param(
-            'test_user',
+            'user1',
             'examples_template',
             'examples_template/1.aux',
             False,
@@ -2573,7 +2565,7 @@ def test_post_upload_raw_create_dir_path(
             id='delete-aux-file',
         ),
         pytest.param(
-            'test_user',
+            'user1',
             'examples_template',
             'examples_template/template.json',
             False,
@@ -2582,10 +2574,10 @@ def test_post_upload_raw_create_dir_path(
             id='delete-main-file',
         ),
         pytest.param(
-            'test_user', 'examples_template', '', False, 200, [], id='delete-root'
+            'user1', 'examples_template', '', False, 200, [], id='delete-root'
         ),
         pytest.param(
-            'test_user',
+            'user1',
             'examples_template',
             'examples_template',
             False,
@@ -2594,7 +2586,7 @@ def test_post_upload_raw_create_dir_path(
             id='delete-subfolder',
         ),
         pytest.param(
-            'test_user',
+            'user1',
             'examples_template',
             'examples_template/1.aux',
             True,
@@ -2603,7 +2595,7 @@ def test_post_upload_raw_create_dir_path(
             id='delete-token-access',
         ),
         pytest.param(
-            'admin_user',
+            'user0',
             'examples_template',
             'examples_template/1.aux',
             False,
@@ -2612,7 +2604,7 @@ def test_post_upload_raw_create_dir_path(
             id='delete-admin-access',
         ),
         pytest.param(
-            'other_test_user',
+            'user2',
             'examples_template',
             'examples_template/1.aux',
             False,
@@ -2648,7 +2640,7 @@ def test_post_upload_raw_create_dir_path(
             id='invalid-credentials-token',
         ),
         pytest.param(
-            'test_user',
+            'user1',
             'id_published_w',
             'examples_template/1.aux',
             False,
@@ -2657,7 +2649,7 @@ def test_post_upload_raw_create_dir_path(
             id='published',
         ),
         pytest.param(
-            'test_user',
+            'user1',
             'id_processing_w',
             'examples_template/1.aux',
             False,
@@ -2672,7 +2664,7 @@ def test_delete_upload_raw_path(
     proc_infra,
     non_empty_processed,
     example_data_writeable,
-    test_auth_dict,
+    auth_dict,
     user,
     upload_id,
     path,
@@ -2680,7 +2672,7 @@ def test_delete_upload_raw_path(
     expected_status_code,
     expected_mainfiles,
 ):
-    user_auth, token = test_auth_dict[user]
+    user_auth, token = auth_dict[user]
     # Use either token or bearer token for the post operation (never both)
     user_auth_action = user_auth
     if use_upload_token:
@@ -2717,13 +2709,13 @@ def test_delete_upload_raw_path(
     'user, upload_id, kwargs',
     [
         pytest.param(
-            'test_user',
+            'user1',
             'id_unpublished_w',
             dict(metadata=all_coauthor_metadata),
             id='edit-all',
         ),
         pytest.param(
-            'test_user',
+            'user1',
             'id_unpublished_w',
             dict(
                 metadata=dict(coauthors='unknown'),
@@ -2732,19 +2724,19 @@ def test_delete_upload_raw_path(
             id='edit-coauthor-unknown-fails',
         ),
         pytest.param(
-            'test_user',
+            'user1',
             'id_published_w',
             dict(metadata=dict(embargo_length=0)),
             id='lift-embargo',
         ),
         pytest.param(
-            'admin_user',
+            'user0',
             'id_published_w',
             dict(metadata=all_admin_metadata),
             id='protected-admin',
         ),
         pytest.param(
-            'test_user',
+            'user1',
             'id_unpublished_w',
             dict(
                 metadata=dict(main_author='lhofstadter'),
@@ -2753,7 +2745,7 @@ def test_delete_upload_raw_path(
             id='protected-not-admin',
         ),
         pytest.param(
-            'test_user',
+            'user1',
             'silly_value',
             dict(
                 metadata=dict(upload_name='test_name'),
@@ -2762,13 +2754,13 @@ def test_delete_upload_raw_path(
             id='bad-upload_id',
         ),
         pytest.param(
-            'admin_user',
+            'user0',
             'id_published_w',
             dict(metadata=dict(upload_name='test_name')),
             id='published-admin',
         ),
         pytest.param(
-            'test_user',
+            'user1',
             'id_published_w',
             dict(metadata=dict(upload_name='test_name')),
             id='published-not-admin',
@@ -2786,7 +2778,7 @@ def test_delete_upload_raw_path(
             id='invalid-credentials',
         ),
         pytest.param(
-            'other_test_user',
+            'user2',
             'id_unpublished_w',
             dict(
                 metadata=dict(upload_name='test_name'),
@@ -2795,19 +2787,19 @@ def test_delete_upload_raw_path(
             id='no-access',
         ),
         pytest.param(
-            'other_test_user',
+            'user2',
             'id_unpublished_w',
             dict(metadata=dict(upload_name='test_name'), add_coauthor=True),
             id='coauthor-access',
         ),
         pytest.param(
-            'test_user',
+            'user1',
             'id_empty_w',
             dict(metadata=dict(upload_name='test_name')),
             id='empty-upload-ok',
         ),
         pytest.param(
-            'test_user',
+            'user1',
             'id_unpublished_w',
             dict(
                 query={
@@ -2822,7 +2814,7 @@ def test_delete_upload_raw_path(
             id='query-ok',
         ),
         pytest.param(
-            'test_user',
+            'user1',
             'id_unpublished_w',
             dict(
                 query={
@@ -2838,7 +2830,7 @@ def test_delete_upload_raw_path(
             id='query-cannot-edit-upload-data',
         ),
         pytest.param(
-            'test_user',
+            'user1',
             'id_unpublished_w',
             dict(
                 query={'upload_create_time:lt': '2021-01-01'},
@@ -2855,8 +2847,8 @@ def test_post_upload_edit(
     proc_infra,
     example_data_writeable,
     example_datasets,
-    test_auth_dict,
-    test_users_dict,
+    auth_dict,
+    users_dict,
     user,
     upload_id,
     kwargs,
@@ -2866,8 +2858,8 @@ def test_post_upload_edit(
     `MetadataEditRequestHandler.edit_metadata`, we only do very simple verification here,
     the more extensive testnig is done in `tests.processing.test_edit_metadata`.
     """
-    user_auth, _token = test_auth_dict[user]
-    user = test_users_dict.get(user)
+    user_auth, _token = auth_dict[user]
+    user = users_dict.get(user)
     query = kwargs.get('query')
     owner = kwargs.get('owner')
     metadata = kwargs.get('metadata')
@@ -2917,7 +2909,7 @@ def test_post_upload_edit(
             'multipart',
             example_file_vasp_with_binary,
             dict(upload_name='test_name'),
-            'test_user',
+            'user1',
             False,
             False,
             True,
@@ -2928,7 +2920,7 @@ def test_post_upload_edit(
             'multipart',
             example_file_vasp_with_binary,
             dict(),
-            'test_user',
+            'user1',
             False,
             False,
             True,
@@ -2939,7 +2931,7 @@ def test_post_upload_edit(
             'multipart',
             example_file_vasp_with_binary,
             dict(upload_name='test_name'),
-            'test_user',
+            'user1',
             True,
             False,
             True,
@@ -2950,7 +2942,7 @@ def test_post_upload_edit(
             'stream',
             example_file_vasp_with_binary,
             dict(embargo_length=0, upload_name='test_name'),
-            'test_user',
+            'user1',
             False,
             False,
             True,
@@ -2961,7 +2953,7 @@ def test_post_upload_edit(
             'stream',
             example_file_vasp_with_binary,
             dict(embargo_length=7),
-            'test_user',
+            'user1',
             False,
             False,
             True,
@@ -2972,7 +2964,7 @@ def test_post_upload_edit(
             'stream',
             example_file_vasp_with_binary,
             dict(embargo_length=37),
-            'test_user',
+            'user1',
             False,
             False,
             True,
@@ -2983,7 +2975,7 @@ def test_post_upload_edit(
             'stream',
             example_file_vasp_with_binary,
             dict(upload_name='test_name'),
-            'test_user',
+            'user1',
             True,
             False,
             True,
@@ -2994,7 +2986,7 @@ def test_post_upload_edit(
             'local_path',
             example_file_vasp_with_binary,
             dict(),
-            'admin_user',
+            'user0',
             False,
             False,
             True,
@@ -3005,7 +2997,7 @@ def test_post_upload_edit(
             'local_path',
             example_file_vasp_with_binary,
             dict(),
-            'test_user',
+            'user1',
             False,
             False,
             True,
@@ -3016,7 +3008,7 @@ def test_post_upload_edit(
             'stream',
             example_file_vasp_with_binary,
             dict(),
-            'test_user',
+            'user1',
             False,
             False,
             False,
@@ -3060,7 +3052,7 @@ def test_post_upload_edit(
             'stream',
             [],
             dict(upload_name='test_name'),
-            'test_user',
+            'user1',
             False,
             False,
             True,
@@ -3071,7 +3063,7 @@ def test_post_upload_edit(
             'stream',
             example_file_aux,
             dict(file_name='1.aux'),
-            'test_user',
+            'user1',
             False,
             False,
             True,
@@ -3082,7 +3074,7 @@ def test_post_upload_edit(
             'stream',
             example_file_aux,
             dict(),
-            'test_user',
+            'user1',
             False,
             False,
             True,
@@ -3093,7 +3085,7 @@ def test_post_upload_edit(
             'stream',
             example_file_vasp_with_binary,
             dict(upload_name='test_name', publish_directly=True),
-            'test_user',
+            'user1',
             False,
             False,
             True,
@@ -3104,7 +3096,7 @@ def test_post_upload_edit(
             'stream',
             empty_file,
             dict(upload_name='test_name', publish_directly=True),
-            'test_user',
+            'user1',
             False,
             False,
             True,
@@ -3115,7 +3107,7 @@ def test_post_upload_edit(
             'stream',
             example_file_vasp_with_binary,
             dict(upload_name='test_name'),
-            'test_user',
+            'user1',
             False,
             True,
             True,
@@ -3126,7 +3118,7 @@ def test_post_upload_edit(
             'multipart',
             example_file_corrupt_zip,
             dict(),
-            'test_user',
+            'user1',
             False,
             False,
             True,
@@ -3137,7 +3129,7 @@ def test_post_upload_edit(
             'multipart',
             [example_file_aux, example_file_mainfile_different_atoms],
             dict(),
-            'test_user',
+            'user1',
             False,
             False,
             True,
@@ -3148,7 +3140,7 @@ def test_post_upload_edit(
             'multipart',
             [example_file_aux, example_file_corrupt_zip],
             dict(),
-            'test_user',
+            'user1',
             False,
             False,
             True,
@@ -3162,7 +3154,7 @@ def test_post_upload(
     mongo_function,
     proc_infra,
     monkeypatch,
-    test_auth_dict,
+    auth_dict,
     empty_upload,
     non_empty_example_upload,
     mode,
@@ -3197,7 +3189,7 @@ def test_post_upload(
         url,
         mode,
         user,
-        test_auth_dict,
+        auth_dict,
         upload_id,
         source_paths,
         target_path,
@@ -3228,7 +3220,7 @@ def test_post_upload(
             assert not upload_proc.published
         else:
             assert_gets_published(
-                client, upload_id, test_auth_dict['test_user'][0], **query_args
+                client, upload_id, auth_dict['user1'][0], **query_args
             )
 
 
@@ -3266,20 +3258,18 @@ def test_post_upload(
         pytest.param(
             dict(user='invalid', expected_status_code=401), id='invalid-credentials'
         ),
-        pytest.param(
-            dict(user='other_test_user', expected_status_code=401), id='no-access'
-        ),
+        pytest.param(dict(user='user2', expected_status_code=401), id='no-access'),
     ],
 )
 def test_post_upload_action_publish(
-    client, proc_infra, example_data_writeable, test_auth_dict, kwargs
+    client, proc_infra, example_data_writeable, auth_dict, kwargs
 ):
     """Tests the publish action with various arguments."""
     upload_id = kwargs.get('upload_id', 'id_unpublished_w')
     query_args = kwargs.get('query_args', {})
     expected_status_code = kwargs.get('expected_status_code', 200)
-    user = kwargs.get('user', 'test_user')
-    user_auth, __token = test_auth_dict[user]
+    user = kwargs.get('user', 'user1')
+    user_auth, __token = auth_dict[user]
 
     response = perform_post_upload_action(
         client, user_auth, upload_id, 'publish', **query_args
@@ -3316,8 +3306,8 @@ def test_post_upload_action_publish_to_central_nomad(
     proc_infra,
     monkeypatch,
     oasis_publishable_upload,
-    test_users_dict,
-    test_auth_dict,
+    users_dict,
+    auth_dict,
     import_settings,
     query_args,
 ):
@@ -3326,8 +3316,8 @@ def test_post_upload_action_publish_to_central_nomad(
     query_args['to_central_nomad'] = True
     embargo_length = query_args.get('embargo_length')
     expected_status_code = 200
-    user = 'admin_user'
-    user_auth, __token = test_auth_dict[user]
+    user = 'user0'
+    user_auth, __token = auth_dict[user]
     old_upload = Upload.get(upload_id)
 
     import_settings = config.bundle_import.default_settings.customize(import_settings)
@@ -3396,24 +3386,16 @@ def test_post_upload_action_publish_to_central_nomad(
 @pytest.mark.parametrize(
     'upload_id, publish, user, expected_status_code',
     [
-        pytest.param(
-            'examples_template', True, 'admin_user', 200, id='published-admin'
-        ),
-        pytest.param(
-            'examples_template', True, 'test_user', 401, id='published-not-admin'
-        ),
-        pytest.param('examples_template', False, 'test_user', 200, id='not-published'),
+        pytest.param('examples_template', True, 'user0', 200, id='published-admin'),
+        pytest.param('examples_template', True, 'user1', 401, id='published-not-admin'),
+        pytest.param('examples_template', False, 'user1', 200, id='not-published'),
         pytest.param('examples_template', False, None, 401, id='no-credentials'),
         pytest.param(
             'examples_template', False, 'invalid', 401, id='invalid-credentials'
         ),
-        pytest.param(
-            'examples_template', False, 'other_test_user', 401, id='no-access'
-        ),
-        pytest.param(
-            'id_processing_w', False, 'test_user', 400, id='already-processing'
-        ),
-        pytest.param('silly_value', False, 'test_user', 404, id='invalid-upload_id'),
+        pytest.param('examples_template', False, 'user2', 401, id='no-access'),
+        pytest.param('id_processing_w', False, 'user1', 400, id='already-processing'),
+        pytest.param('silly_value', False, 'user1', 404, id='invalid-upload_id'),
     ],
 )
 def test_post_upload_action_process(
@@ -3424,7 +3406,7 @@ def test_post_upload_action_process(
     example_data_writeable,
     non_empty_processed,
     internal_example_user_metadata,
-    test_auth_dict,
+    auth_dict,
     upload_id,
     publish,
     user,
@@ -3440,7 +3422,7 @@ def test_post_upload_action_process(
 
     monkeypatch.setattr('nomad.config.meta.version', 're_process_test_version')
     monkeypatch.setattr('nomad.config.meta.commit', 're_process_test_commit')
-    user_auth, __token = test_auth_dict[user]
+    user_auth, __token = auth_dict[user]
 
     response = perform_post_upload_action(client, user_auth, upload_id, 'process')
     assert_response(response, expected_status_code)
@@ -3448,7 +3430,7 @@ def test_post_upload_action_process(
         assert_processing(
             client,
             upload_id,
-            test_auth_dict['test_user'][0],
+            auth_dict['user1'][0],
             check_files=False,
             published=True,
         )
@@ -3459,7 +3441,7 @@ def test_post_upload_action_process(
     [
         pytest.param(
             'id_published_w',
-            'admin_user',
+            'user0',
             None,
             {'entry_id': 'id_published_w_entry'},
             False,
@@ -3470,7 +3452,7 @@ def test_post_upload_action_process(
         ),
         pytest.param(
             'id_unpublished_w',
-            'other_test_user',
+            'user2',
             None,
             {'entry_id': 'id_unpublished_w_entry'},
             False,
@@ -3481,7 +3463,7 @@ def test_post_upload_action_process(
         ),
         pytest.param(
             'id_unpublished_w',
-            'test_user',
+            'user1',
             None,
             None,
             False,
@@ -3492,7 +3474,7 @@ def test_post_upload_action_process(
         ),
         pytest.param(
             'id_unpublished_w',
-            'test_user',
+            'user1',
             None,
             {'entry_id': ['id_unpublished_w_entry', 'silly']},
             False,
@@ -3503,7 +3485,7 @@ def test_post_upload_action_process(
         ),
         pytest.param(
             'id_unpublished_w',
-            'test_user',
+            'user1',
             None,
             {'entry_id': 'id_unpublished_w_entry'},
             True,
@@ -3514,7 +3496,7 @@ def test_post_upload_action_process(
         ),
         pytest.param(
             'id_unpublished_w',
-            'admin_user',
+            'user0',
             'admin',
             {'entry_id': 'id_unpublished_w_entry'},
             False,
@@ -3530,7 +3512,7 @@ def test_post_upload_action_delete_entry_files(
     mongo_function,
     proc_infra,
     example_data_writeable,
-    test_auth_dict,
+    auth_dict,
     upload_id,
     user,
     owner,
@@ -3540,7 +3522,7 @@ def test_post_upload_action_delete_entry_files(
     expect_exists,
     expect_not_exists,
 ):
-    user_auth, __token = test_auth_dict[user]
+    user_auth, __token = auth_dict[user]
     json = {}
     if include_parent_folders is not None:
         json.update(include_parent_folders=include_parent_folders)
@@ -3569,30 +3551,28 @@ def test_post_upload_action_delete_entry_files(
 @pytest.mark.parametrize(
     'upload_id, user, preprocess, expected_status_code',
     [
-        pytest.param('id_published_w', 'test_user', None, 200, id='ok'),
-        pytest.param('id_published_w', 'other_test_user', None, 401, id='no-access'),
-        pytest.param(
-            'id_published_w', 'other_test_user', 'make-coauthor', 200, id='ok-coauthor'
-        ),
+        pytest.param('id_published_w', 'user1', None, 200, id='ok'),
+        pytest.param('id_published_w', 'user2', None, 401, id='no-access'),
+        pytest.param('id_published_w', 'user2', 'make-coauthor', 200, id='ok-coauthor'),
         pytest.param('id_published_w', None, None, 401, id='no-credentials'),
         pytest.param('id_published_w', 'invalid', None, 401, id='invalid-credentials'),
-        pytest.param('id_unpublished_w', 'test_user', None, 400, id='not-published'),
-        pytest.param('id_published_w', 'test_user', 'lift', 400, id='already-lifted'),
+        pytest.param('id_unpublished_w', 'user1', None, 400, id='not-published'),
+        pytest.param('id_published_w', 'user1', 'lift', 400, id='already-lifted'),
     ],
 )
 def test_post_upload_action_lift_embargo(
     client,
     proc_infra,
     example_data_writeable,
-    test_auth_dict,
-    test_users_dict,
+    auth_dict,
+    users_dict,
     upload_id,
     user,
     preprocess,
     expected_status_code,
 ):
-    user_auth, __token = test_auth_dict[user]
-    user = test_users_dict.get(user)
+    user_auth, __token = auth_dict[user]
+    user = users_dict.get(user)
 
     if preprocess:
         if preprocess == 'lift':
@@ -3614,16 +3594,14 @@ def test_post_upload_action_lift_embargo(
 @pytest.mark.parametrize(
     'upload_id, user, expected_status_code',
     [
-        pytest.param('id_unpublished_w', 'test_user', 200, id='delete-own'),
+        pytest.param('id_unpublished_w', 'user1', 200, id='delete-own'),
+        pytest.param('id_unpublished_w', 'user2', 401, id='delete-others-not-admin'),
+        pytest.param('id_unpublished_w', 'user0', 200, id='delete-others-admin'),
+        pytest.param('id_published_w', 'user1', 401, id='delete-own-published'),
         pytest.param(
-            'id_unpublished_w', 'other_test_user', 401, id='delete-others-not-admin'
+            'id_published_w', 'user0', 200, id='delete-others-published-admin'
         ),
-        pytest.param('id_unpublished_w', 'admin_user', 200, id='delete-others-admin'),
-        pytest.param('id_published_w', 'test_user', 401, id='delete-own-published'),
-        pytest.param(
-            'id_published_w', 'admin_user', 200, id='delete-others-published-admin'
-        ),
-        pytest.param('silly_value', 'test_user', 404, id='invalid-upload_id'),
+        pytest.param('silly_value', 'user1', 404, id='invalid-upload_id'),
         pytest.param('id_unpublished_w', None, 401, id='no-credentials'),
         pytest.param('id_unpublished_w', 'invalid', 401, id='invalid-credentials'),
     ],
@@ -3632,51 +3610,45 @@ def test_delete_upload(
     client,
     proc_infra,
     example_data_writeable,
-    test_auth_dict,
+    auth_dict,
     upload_id,
     user,
     expected_status_code,
 ):
     """Uploads a file, and then tries to delete it, with different parameters and users."""
-    user_auth, __token = test_auth_dict[user]
+    user_auth, __token = auth_dict[user]
 
     response = client.delete(f'uploads/{upload_id}', headers=user_auth)
     assert_response(response, expected_status_code)
     if expected_status_code == 200:
-        assert_upload_does_not_exist(client, upload_id, test_auth_dict['test_user'][0])
+        assert_upload_does_not_exist(client, upload_id, auth_dict['user1'][0])
 
 
 @pytest.mark.parametrize(
     'upload_id, user, query_args, expected_status_code',
     [
-        pytest.param('id_published_w', 'test_user', dict(), 200, id='published-owner'),
-        pytest.param('id_published_w', 'admin_user', dict(), 200, id='published-admin'),
-        pytest.param(
-            'id_published_w', 'other_test_user', dict(), 401, id='published-not-owner'
-        ),
+        pytest.param('id_published_w', 'user1', dict(), 200, id='published-owner'),
+        pytest.param('id_published_w', 'user0', dict(), 200, id='published-admin'),
+        pytest.param('id_published_w', 'user2', dict(), 401, id='published-not-owner'),
         pytest.param(
             'id_published_w',
-            'test_user',
+            'user1',
             dict(include_raw_files=False),
             200,
             id='published-owner-exclude-raw',
         ),
         pytest.param(
             'id_published_w',
-            'test_user',
+            'user1',
             dict(include_archive_files=False),
             200,
             id='published-owner-exclude-archive',
         ),
-        pytest.param(
-            'id_unpublished_w', 'test_user', dict(), 200, id='unpublished-owner'
-        ),
-        pytest.param(
-            'id_unpublished_w', 'admin_user', dict(), 200, id='unpublished-admin'
-        ),
+        pytest.param('id_unpublished_w', 'user1', dict(), 200, id='unpublished-owner'),
+        pytest.param('id_unpublished_w', 'user0', dict(), 200, id='unpublished-admin'),
         pytest.param(
             'id_unpublished_w',
-            'other_test_user',
+            'user2',
             dict(),
             401,
             id='unpublished-not-owner',
@@ -3687,7 +3659,7 @@ def test_get_upload_bundle(
     client,
     proc_infra,
     example_data_writeable,
-    test_auth_dict,
+    auth_dict,
     upload_id,
     user,
     query_args,
@@ -3697,7 +3669,7 @@ def test_get_upload_bundle(
     include_archive_files = query_args.get('include_archive_files', True)
 
     url = build_url(f'uploads/{upload_id}/bundle', query_args)
-    response = perform_get(client, url, user_auth=test_auth_dict[user][0])
+    response = perform_get(client, url, user_auth=auth_dict[user][0])
     assert_response(response, expected_status_code)
     if expected_status_code == 200:
         with zipfile.ZipFile(io.BytesIO(response.content)) as zip_file:
@@ -3719,16 +3691,12 @@ def test_get_upload_bundle(
 @pytest.mark.parametrize(
     'publish, test_duplicate, user, export_args, query_args, expected_status_code',
     [
+        pytest.param(True, False, 'user0', dict(), dict(), 200, id='published-admin'),
         pytest.param(
-            True, False, 'admin_user', dict(), dict(), 200, id='published-admin'
-        ),
-        pytest.param(
-            False, False, 'admin_user', dict(), dict(), 200, id='unpublished-admin'
-        ),
-        pytest.param(True, True, 'admin_user', dict(), dict(), 400, id='duplicate'),
-        pytest.param(
-            True, False, 'other_test_user', dict(), dict(), 401, id='not-oasis-admin'
+            False, False, 'user0', dict(), dict(), 200, id='unpublished-admin'
         ),
+        pytest.param(True, True, 'user0', dict(), dict(), 400, id='duplicate'),
+        pytest.param(True, False, 'user2', dict(), dict(), 401, id='not-oasis-admin'),
         pytest.param(True, False, None, dict(), dict(), 401, id='no-credentials'),
     ],
 )
@@ -3737,7 +3705,7 @@ def test_post_upload_bundle(
     proc_infra,
     non_empty_processed,
     internal_example_user_metadata,
-    test_auth_dict,
+    auth_dict,
     publish,
     test_duplicate,
     user,
@@ -3767,7 +3735,7 @@ def test_post_upload_bundle(
         # Delete the upload so we can import the bundle without id collisions
         upload.delete_upload_local()
     # Finally, import the bundle
-    user_auth, __token = test_auth_dict[user]
+    user_auth, __token = auth_dict[user]
     response = perform_post_put_file(
         client, 'POST', 'uploads/bundle', 'stream', export_path, user_auth, **query_args
     )
@@ -3782,11 +3750,11 @@ def test_post_upload_bundle(
     'authorized, expected_status_code',
     [pytest.param(True, 200, id='ok'), pytest.param(False, 401, id='not-authorized')],
 )
-def test_get_command_examples(client, test_user_auth, authorized, expected_status_code):
+def test_get_command_examples(client, user1_auth, authorized, expected_status_code):
     response = perform_get(
         client,
         'uploads/command-examples',
-        user_auth=test_user_auth if authorized else None,
+        user_auth=user1_auth if authorized else None,
     )
     assert_response(response, expected_status_code)
     if expected_status_code == 200:
diff --git a/tests/app/v1/routers/uploads/test_group_uploads.py b/tests/app/v1/routers/uploads/test_group_uploads.py
index bae0908536458e531f9470a5b5346d8379e00197..cce72a9e3aa6be574b1cb94f012ddf76896d6cd0 100644
--- a/tests/app/v1/routers/uploads/test_group_uploads.py
+++ b/tests/app/v1/routers/uploads/test_group_uploads.py
@@ -11,31 +11,31 @@ from .common import assert_upload
         pytest.param(None, {}, [], 401, id='guest-user'),
         pytest.param('invalid', {}, [], 401, id='invalid-user'),
         pytest.param(
-            'other_test_user',
+            'user2',
             {},
             [
-                'id_coauthor_other',
-                'id_reviewer_other',
-                'id_coauthor_mixed',
-                'id_reviewer_mixed',
+                'id_coauthor_group2',
+                'id_reviewer_group2',
+                'id_coauthor_group012',
+                'id_reviewer_group012',
                 'id_reviewer_all',
             ],
             200,
             id='no-args',
         ),
         pytest.param(
-            'other_test_user',
+            'user2',
             {'roles': 'coauthor'},
-            ['id_coauthor_other', 'id_coauthor_mixed'],
+            ['id_coauthor_group2', 'id_coauthor_group012'],
             200,
             id='coauthor',
         ),
         pytest.param(
-            'other_test_user',
+            'user2',
             {'roles': 'reviewer'},
             [
-                'id_reviewer_other',
-                'id_reviewer_mixed',
+                'id_reviewer_group2',
+                'id_reviewer_group012',
                 'id_reviewer_all',
             ],
             200,
@@ -46,13 +46,13 @@ from .common import assert_upload
 def test_get_group_uploads(
     client,
     example_data_groups,
-    test_auth_dict,
+    auth_dict,
     user,
     query_params,
     expected_upload_ids,
     expected_status_code,
 ):
-    user_auth, __token = test_auth_dict[user]
+    user_auth, __token = auth_dict[user]
 
     response = perform_get(client, 'uploads', user_auth=user_auth, **query_params)
     assert_response(response, expected_status_code)
@@ -70,26 +70,30 @@ def test_get_group_uploads(
 @pytest.mark.parametrize(
     'user, upload_id, expected_status_code',
     [
-        pytest.param('other_test_user', 'id_coauthor_other', 200, id='coauthor-other'),
-        pytest.param('invalid', 'id_coauthor_other', 401, id='coauthor-other-invalid'),
-        pytest.param(None, 'id_coauthor_other', 401, id='coauthor-other-guest'),
-        pytest.param('other_test_user', 'id_reviewer_other', 200, id='reviewer-other'),
-        pytest.param('invalid', 'id_reviewer_other', 401, id='reviewer-other-invalid'),
-        pytest.param(None, 'id_reviewer_other', 401, id='reviewer-other-guest'),
-        pytest.param('other_test_user', 'id_coauthor_mixed', 200, id='coauthor-mixed'),
-        pytest.param('other_test_user', 'id_reviewer_mixed', 200, id='reviewer-mixed'),
-        pytest.param('other_test_user', 'id_reviewer_all', 200, id='reviewer-all'),
+        pytest.param('user2', 'id_coauthor_group2', 200, id='coauthor-group2'),
+        pytest.param(
+            'invalid', 'id_coauthor_group2', 401, id='coauthor-group2-invalid'
+        ),
+        pytest.param(None, 'id_coauthor_group2', 401, id='coauthor-group2-guest'),
+        pytest.param('user2', 'id_reviewer_group2', 200, id='reviewer-group2'),
+        pytest.param(
+            'invalid', 'id_reviewer_group2', 401, id='reviewer-group2-invalid'
+        ),
+        pytest.param(None, 'id_reviewer_group2', 401, id='reviewer-group2-guest'),
+        pytest.param('user2', 'id_coauthor_group012', 200, id='coauthor-group012'),
+        pytest.param('user2', 'id_reviewer_group012', 200, id='reviewer-group012'),
+        pytest.param('user2', 'id_reviewer_all', 200, id='reviewer-all'),
     ],
 )
 def test_get_group_upload(
     client,
     example_data_groups,
-    test_auth_dict,
+    auth_dict,
     user,
     upload_id,
     expected_status_code,
 ):
-    user_auth, __token = test_auth_dict[user]
+    user_auth, __token = auth_dict[user]
     response = perform_get(client, f'uploads/{upload_id}', user_auth)
     assert_response(response, expected_status_code)
     if expected_status_code == 200:
@@ -101,69 +105,69 @@ def test_get_group_upload(
     [
         pytest.param(
             'upload_no_group',
-            'test_user',
-            {'coauthor_groups': 'other_owner_group'},
+            'user1',
+            {'coauthor_groups': 'group2'},
             200,
-            ['other_owner_group'],
-            id='coauthor-other-group',
+            ['group2'],
+            id='coauthor-group2',
         ),
         pytest.param(
             'upload_no_group',
-            'test_user',
+            'user1',
             {
                 'coauthor_groups': [
-                    'user_owner_group',
-                    'other_owner_group',
-                    'mixed_group',
+                    'group1',
+                    'group2',
+                    'group012',
                 ]
             },
             200,
-            ['user_owner_group', 'other_owner_group', 'mixed_group'],
+            ['group1', 'group2', 'group012'],
             id='coauthor-multiple-groups',
         ),
         pytest.param(
             'upload_no_group',
-            'test_user',
-            {'reviewer_groups': ['other_owner_group', 'other_owner_group']},
+            'user1',
+            {'reviewer_groups': ['group2', 'group2']},
             200,
-            ['other_owner_group'],
-            id='reviewer-other-double',
+            ['group2'],
+            id='reviewer-group2-double',
         ),
         pytest.param(
-            'upload_coauthor_other_and_mixed_group',
-            'test_user',
-            {'coauthor_groups': {'add': 'other_owner_group'}},
+            'upload_coauthor_group2_and_group012',
+            'user1',
+            {'coauthor_groups': {'add': 'group2'}},
             200,
-            ['other_owner_group', 'mixed_group'],
+            ['group2', 'group012'],
             id='coauthor-add-existing',
         ),
         pytest.param(
-            'upload_coauthor_other_and_mixed_group',
-            'test_user',
+            'upload_coauthor_group2_and_group012',
+            'user1',
             {'coauthor_groups': 'unknown_group'},
             422,
-            ['other_owner_group', 'mixed_group'],
+            ['group2', 'group012'],
             id='coauthor-set0-unknown-fails',
         ),
         pytest.param(
-            'upload_coauthor_other_and_mixed_group',
-            'test_user',
+            'upload_coauthor_group2_and_group012',
+            'user1',
             {'coauthor_groups': {'set': 'unknown_group'}},
             422,
-            ['other_owner_group', 'mixed_group'],
+            ['group2', 'group012'],
             id='coauthor-set1-unknown-fails',
         ),
         pytest.param(
-            'upload_coauthor_other_and_mixed_group',
-            'test_user',
+            'upload_coauthor_group2_and_group012',
+            'user1',
             {'coauthor_groups': {'add': 'unknown_group'}},
             422,
-            ['other_owner_group', 'mixed_group'],
+            ['group2', 'group012'],
             id='coauthor-add-unknown-fails',
         ),
         pytest.param(
             'upload_reviewer_all_group',
-            'test_user',
+            'user1',
             {'reviewer_groups': 'unknown_group'},
             422,
             ['all'],
@@ -171,7 +175,7 @@ def test_get_group_upload(
         ),
         pytest.param(
             'upload_reviewer_all_group',
-            'test_user',
+            'user1',
             {'reviewer_groups': {'set': 'unknown_group'}},
             422,
             ['all'],
@@ -179,7 +183,7 @@ def test_get_group_upload(
         ),
         pytest.param(
             'upload_reviewer_all_group',
-            'test_user',
+            'user1',
             {'reviewer_groups': {'add': 'unknown_group'}},
             422,
             ['all'],
@@ -187,15 +191,15 @@ def test_get_group_upload(
         ),
         pytest.param(
             'upload_no_group',
-            'test_user',
-            {'reviewer_groups': ['other_owner_group']},
+            'user1',
+            {'reviewer_groups': ['group2']},
             200,
-            ['other_owner_group'],
-            id='reviewer-other-group',
+            ['group2'],
+            id='reviewer-group2',
         ),
         pytest.param(
             'upload_no_group',
-            'test_user',
+            'user1',
             {'reviewer_groups': ['all']},
             200,
             ['all'],
@@ -203,7 +207,7 @@ def test_get_group_upload(
         ),
         pytest.param(
             'upload_no_group',
-            'test_user',
+            'user1',
             {'coauthor_groups': ['all']},
             422,
             [],
@@ -211,8 +215,8 @@ def test_get_group_upload(
         ),
         pytest.param(
             'upload_no_group',
-            'other_test_user',
-            {'reviewer_groups': ['other_owner_group']},
+            'user2',
+            {'reviewer_groups': ['group2']},
             422,
             [],
             id='other-user-fails',
@@ -226,13 +230,13 @@ def test_add_groups_to_upload(
     proc_infra,
     convert_group_labels_to_ids,
     upload_fixture,
-    test_auth_dict,
+    auth_dict,
     user,
     expected_status_code,
     metadata,
     expected_groups,
 ):
-    user_auth, __token = test_auth_dict[user]
+    user_auth, __token = auth_dict[user]
     upload_fixture = request.getfixturevalue(upload_fixture)
     upload_id = list(upload_fixture.uploads)[0]
     group_quantity = list(metadata)[0]
@@ -254,29 +258,27 @@ def test_add_groups_to_upload(
 @pytest.mark.parametrize(
     'user, metadata, expected_status_code, expected_groups',
     [
+        pytest.param('user1', {'coauthor_groups': []}, 200, [], id='user1-empty'),
         pytest.param(
-            'test_user', {'coauthor_groups': []}, 200, [], id='test-user-empty'
-        ),
-        pytest.param(
-            'test_user',
+            'user1',
             {'coauthor_groups': {'set': []}},
             200,
             [],
-            id='test-user-set-empty',
+            id='user1-set-empty',
         ),
         pytest.param(
-            'test_user',
-            {'coauthor_groups': {'remove': 'mixed_group'}},
+            'user1',
+            {'coauthor_groups': {'remove': 'group012'}},
             200,
-            ['other_owner_group'],
-            id='test-user-remove-other',
+            ['group2'],
+            id='user1-remove-single',
         ),
         pytest.param(
-            'yet_test_user',
-            {'reviewer_groups': ['yet_owner_group']},
+            'user3',
+            {'reviewer_groups': ['group3']},
             422,
-            ['other_owner_group', 'mixed_group'],
-            id='yet-user-fails',
+            ['group2', 'group012'],
+            id='user3-fails',
         ),
     ],
 )
@@ -285,15 +287,15 @@ def test_remove_groups_from_upload(
     user_groups_function,
     proc_infra,
     convert_group_labels_to_ids,
-    upload_coauthor_other_and_mixed_group,
-    test_auth_dict,
+    upload_coauthor_group2_and_group012,
+    auth_dict,
     user,
     metadata,
     expected_status_code,
     expected_groups,
 ):
-    user_auth, __token = test_auth_dict[user]
-    upload_id = list(upload_coauthor_other_and_mixed_group.uploads)[0]
+    user_auth, __token = auth_dict[user]
+    upload_id = list(upload_coauthor_group2_and_group012.uploads)[0]
 
     url = f'uploads/{upload_id}/edit'
     metadata = convert_group_labels_to_ids(metadata)
diff --git a/tests/archive/test_archive.py b/tests/archive/test_archive.py
index 317c8b2cf0f69eea0b0a85216b6b86b3fa57a0f8..122ec3d998919e052ae02635439f40b2c866c403 100644
--- a/tests/archive/test_archive.py
+++ b/tests/archive/test_archive.py
@@ -886,13 +886,13 @@ def test_required_reader(
 
 
 @pytest.fixture(scope='function')
-def example_data_with_reference(proc_infra, test_user, json_dict):
+def example_data_with_reference(proc_infra, user1, json_dict):
     """
     Provides a couple of entries with references.
 
     Only used in test_required_reader_with_remote_reference.
     """
-    data = ExampleData(main_author=test_user)
+    data = ExampleData(main_author=user1)
 
     data.create_upload(
         upload_id='id_published_with_ref', upload_name='name_published', published=True
@@ -1062,7 +1062,7 @@ def test_required_reader_with_remote_reference(
     remote_reference_required,
     resolve_inplace,
     example_data_with_reference,
-    test_user,
+    user1,
     entry_id,
     inplace_result,
 ):
@@ -1081,7 +1081,7 @@ def test_required_reader_with_remote_reference(
 
     with read_archive(BytesIO(packed_archive)) as archive_reader:
         required_reader = RequiredReader(
-            remote_reference_required, resolve_inplace=resolve_inplace, user=test_user
+            remote_reference_required, resolve_inplace=resolve_inplace, user=user1
         )
         results = required_reader.read(
             archive_reader, 'entry_id', 'id_published_with_ref'
@@ -1113,7 +1113,7 @@ def test_required_reader_with_remote_reference(
             assert calculation.system_ref.symmetry[0].space_group_number == 221
 
 
-def test_custom_schema(test_user, proc_infra):
+def test_custom_schema(user1, proc_infra):
     yaml_archive = yaml.safe_load(
         """
 ---
@@ -1143,7 +1143,7 @@ data:
 """
     )
     archive = EntryArchive.m_from_dict(yaml_archive)
-    data = ExampleData(main_author=test_user)
+    data = ExampleData(main_author=user1)
 
     data.create_upload(
         upload_id='id_custom', upload_name='name_published', published=True
@@ -1156,7 +1156,7 @@ data:
     f = BytesIO()
     write_archive(f, 1, [('id_example', yaml_archive)], entry_toc_depth=2)
     with read_archive(BytesIO(f.getbuffer())) as archive_reader:
-        required_reader = RequiredReader({'data': {'my_quantity': '*'}}, user=test_user)
+        required_reader = RequiredReader({'data': {'my_quantity': '*'}}, user=user1)
         results = required_reader.read(archive_reader, 'id_example', 'id_custom')
 
         assert_dict(
diff --git a/tests/conftest.py b/tests/conftest.py
index cf69cc71826ecd0d5a106f5d0deb49bbae5516c0..607a249723aa4b70ea8ebc12fd369ebd4551cac2 100644
--- a/tests/conftest.py
+++ b/tests/conftest.py
@@ -186,7 +186,7 @@ def reset_config():
 
 
 @pytest.fixture(scope='session')
-def api_v1(monkeysession, test_user_molds):
+def api_v1(monkeysession, user_molds):
     """
     This fixture provides an HTTP client with Python requests interface that accesses
     the fast api. The have to provide URLs that start with out leading '/' after '.../api/v1.
@@ -216,7 +216,7 @@ def api_v1(monkeysession, test_user_molds):
     )
 
     def __call__(self, request):
-        for user in test_user_molds.values():
+        for user in user_molds.values():
             if user['username'] == self.user or user['email'] == self.user:
                 request.headers['Authorization'] = f'Bearer {user["user_id"]}'
         return request
diff --git a/tests/data/test_examples.py b/tests/data/test_examples.py
index 2255a563cab64c7ef9176b8a3a484a99b86a7b90..26e82471805d25c53ec908ab2eb4dfc34928d5ac 100644
--- a/tests/data/test_examples.py
+++ b/tests/data/test_examples.py
@@ -87,14 +87,14 @@ def test_sample_tabular(mainfile, assert_xpaths, raw_files_function, no_warn):
 )
 def test_sample_entry_mode(
     mongo_function,
-    test_user,
+    user1,
     raw_files_function,
     monkeypatch,
     proc_infra,
     test_files,
     number_of_entries,
 ):
-    upload = create_upload('test_upload_id', test_user.user_id, test_files)
+    upload = create_upload('test_upload_id', user1.user_id, test_files)
     assert upload is not None
     assert upload.processed_entries_count == number_of_entries
 
@@ -213,14 +213,14 @@ def test_sample_entry_mode(
 )
 def test_tabular_doc_examples(
     mongo_function,
-    test_user,
+    user1,
     raw_files_function,
     monkeypatch,
     proc_infra,
     test_files,
     status,
 ):
-    upload = create_upload('test_upload_id', test_user.user_id, test_files)
+    upload = create_upload('test_upload_id', user1.user_id, test_files)
     assert upload is not None
 
     for entry in Entry.objects(upload_id='test_upload_id'):
diff --git a/tests/datamodel/metainfo/eln/test_labfolder.py b/tests/datamodel/metainfo/eln/test_labfolder.py
index 43b50899d82e04e72323b402777d8730baac7907..b92aeb6bfcb2186f4be2360a458155294311dfcf 100644
--- a/tests/datamodel/metainfo/eln/test_labfolder.py
+++ b/tests/datamodel/metainfo/eln/test_labfolder.py
@@ -32,7 +32,7 @@ from nomad.datamodel.metainfo.eln.labfolder import (
 from nomad.utils.exampledata import ExampleData
 
 
-def test_labfolder_integration(mongo_function, monkeypatch, test_user):
+def test_labfolder_integration(mongo_function, monkeypatch, user1):
     directory = 'tests/data/datamodel/metainfo/eln/material_library'
     mainfile = 'example-labfolder.archive.json'
 
@@ -188,7 +188,7 @@ def test_labfolder_integration(mongo_function, monkeypatch, test_user):
 def test_labfolder_detailed(
     mongo_function,
     monkeypatch,
-    test_user,
+    user1,
     status_code,
     project_url,
     labfolder_email,
@@ -223,7 +223,7 @@ def test_labfolder_detailed(
     monkeypatch.setattr(requests, 'get', mock_labfolder_json_method)
 
     # processing preparation
-    data = ExampleData(main_author=test_user)
+    data = ExampleData(main_author=user1)
     data.create_upload(upload_id='test_upload_id', published=False)
 
     data.create_entry(
diff --git a/tests/datamodel/metainfo/eln/test_openbis.py b/tests/datamodel/metainfo/eln/test_openbis.py
index 1da5bfdde3df538f3b59fb00a0e529a9f2caf870..cfc4f14fae408e5b094accfe1e6d736fa0cc1e6f 100644
--- a/tests/datamodel/metainfo/eln/test_openbis.py
+++ b/tests/datamodel/metainfo/eln/test_openbis.py
@@ -94,7 +94,7 @@ def mocked_login(url):
 def test_openbis(
     mongo_function,
     monkeypatch,
-    test_user,
+    user1,
     status_code,
     project_url,
     username,
@@ -153,7 +153,7 @@ def test_openbis(
     # patching openbis attrs
     monkeypatch.setattr(pybis, 'Openbis', mock_openbis_response)
 
-    data = ExampleData(main_author=test_user)
+    data = ExampleData(main_author=user1)
     data.create_upload(upload_id='test_upload_id', published=False)
 
     data.create_entry(
diff --git a/tests/datamodel/metainfo/eln/test_system.py b/tests/datamodel/metainfo/eln/test_system.py
index 2d278777baada3701edd960ab5d0b3155a9e6a30..e1bcd2e71016c4f202fc1189708e6ecb227fa6e5 100644
--- a/tests/datamodel/metainfo/eln/test_system.py
+++ b/tests/datamodel/metainfo/eln/test_system.py
@@ -24,12 +24,12 @@ from nomad.utils.exampledata import ExampleData
 from tests.normalizing.conftest import run_normalize
 
 
-def test_substance(raw_files_function, test_user, mongo_function):
+def test_substance(raw_files_function, user1, mongo_function):
     directory = 'tests/data/datamodel/metainfo/eln'
     mainfile = 'test_substance.archive.yaml'
     upload_id = 'test_upload_id'
 
-    data = ExampleData(main_author=test_user)
+    data = ExampleData(main_author=user1)
     data.create_upload(upload_id=upload_id, published=False)
     context = ClientContext(local_dir=directory, upload_id=upload_id)
 
@@ -52,11 +52,11 @@ def test_substance(raw_files_function, test_user, mongo_function):
     os.unlink(os.path.join(directory, 'cas_10101-63-0_image.svg'))
 
 
-def test_ensemble(raw_files_function, test_user, mongo_function):
+def test_ensemble(raw_files_function, user1, mongo_function):
     directory = 'tests/data/datamodel/metainfo/eln'
     mainfile = 'test_ensemble.archive.yaml'
     upload_id = 'test_upload_id'
-    data = ExampleData(main_author=test_user)
+    data = ExampleData(main_author=user1)
     data.create_upload(upload_id=upload_id, published=False)
     context = ClientContext(local_dir=directory, upload_id=upload_id)
 
diff --git a/tests/datamodel/test_context.py b/tests/datamodel/test_context.py
index 86692ff5a0eeae53d240ffe737d554d42cbf23ca..9a1bef47b04e7dbec5fcbcb14dfc5f84612b73f7 100644
--- a/tests/datamodel/test_context.py
+++ b/tests/datamodel/test_context.py
@@ -549,9 +549,9 @@ def test_client_custom_schema(api_v1, published_wo_user_metadata):
     ],
 )
 def test_client_external_schema(
-    referencing_upload_contents, raw_files_function, test_user, api_v1, proc_infra
+    referencing_upload_contents, raw_files_function, user1, api_v1, proc_infra
 ):
-    upload1 = Upload(upload_id='references_upload_id1', main_author=test_user.user_id)
+    upload1 = Upload(upload_id='references_upload_id1', main_author=user1.user_id)
     upload1.save()
     files.StagingUploadFiles(upload_id=upload1.upload_id, create=True)
     upload1.staging_upload_files.add_rawfiles('examples/data/references/upload1')
@@ -567,7 +567,7 @@ def test_client_external_schema(
     context2 = ClientContext(
         upload_id='upload2_id',
         installation_url=installation_url,
-        username=test_user.username,
+        username=user1.username,
         password='password',
     )
 
@@ -590,8 +590,8 @@ def test_client_external_schema(
         assert results == content
 
 
-def test_circular_external_schema(raw_files_function, test_user, api_v1, proc_infra):
-    upload1 = Upload(upload_id='upload_id', main_author=test_user.user_id)
+def test_circular_external_schema(raw_files_function, user1, api_v1, proc_infra):
+    upload1 = Upload(upload_id='upload_id', main_author=user1.user_id)
     upload1.save()
     files.StagingUploadFiles(upload_id=upload1.upload_id, create=True)
     upload1.staging_upload_files.add_rawfiles('examples/data/references/circular')
diff --git a/tests/examples/test_archive_query.py b/tests/examples/test_archive_query.py
index a10382204ab5132a52dd44bbe7ac9e482e1b158e..c31de1b4e984c0c34fdae96ca289123cbc10286a 100644
--- a/tests/examples/test_archive_query.py
+++ b/tests/examples/test_archive_query.py
@@ -32,7 +32,7 @@ def test_archive_query(
     elastic_function,
     raw_files_function,
     mongo_function,
-    test_user,
+    user1,
     capsys,
 ):
     mainfile = os.path.join(
@@ -42,7 +42,7 @@ def test_archive_query(
     run_normalize(archive)
     archive.metadata.apply_archive_metadata(archive)
 
-    data = ExampleData(main_author=test_user)
+    data = ExampleData(main_author=user1)
     data.create_upload('test_upload_id', published=True)
     data.create_entry(upload_id='test_upload_id', entry_archive=archive)
     data.save()
diff --git a/tests/fixtures/data.py b/tests/fixtures/data.py
index 8f2f339a09749e6293be519fb7c8482f00b986fc..1977d6713523f3416cd671a2b8d48fe06cd42a42 100644
--- a/tests/fixtures/data.py
+++ b/tests/fixtures/data.py
@@ -63,11 +63,11 @@ def empty_upload():
 
 
 @pytest.fixture(scope='module')
-def example_user_metadata(other_test_user, test_user) -> dict:
+def example_user_metadata(user2) -> dict:
     return {
         'comment': 'test comment',
         'references': ['http://external.ref/one', 'http://external.ref/two'],
-        'entry_coauthors': [other_test_user.user_id],
+        'entry_coauthors': [user2.user_id],
         '_pid': '256',
         'external_id': 'external_test_id',
     }
@@ -127,7 +127,7 @@ def oasis_publishable_upload(
     non_empty_processed: processing.Upload,
     internal_example_user_metadata,
     monkeypatch,
-    test_user,
+    user1,
 ):
     """
     Creates a published upload which can be used with Upload.publish_externally. Some monkeypatching
@@ -195,14 +195,14 @@ def oasis_publishable_upload(
 
     monkeypatch.setattr('requests.post', new_post)
     monkeypatch.setattr('nomad.config.oasis.is_oasis', True)
-    monkeypatch.setattr('nomad.config.keycloak.username', test_user.username)
+    monkeypatch.setattr('nomad.config.keycloak.username', user1.username)
 
     monkeypatch.setattr('nomad.config.oasis.central_nomad_deployment_url', '/api')
 
     # create a dataset to also test this aspect of oasis uploads
     entry = non_empty_processed.successful_entries[0]
     datamodel.Dataset(
-        dataset_id='dataset_id', dataset_name='dataset_name', user_id=test_user.user_id
+        dataset_id='dataset_id', dataset_name='dataset_name', user_id=user1.user_id
     ).a_mongo.save()
     entry.datasets = ['dataset_id']
     entry.save()
@@ -212,18 +212,18 @@ def oasis_publishable_upload(
 @pytest.mark.timeout(config.tests.default_timeout)
 @pytest.fixture(scope='function')
 def processed(
-    uploaded: Tuple[str, str], test_user: User, proc_infra, mails
+    uploaded: Tuple[str, str], user1: User, proc_infra, mails
 ) -> processing.Upload:
     """
-    Provides a processed upload. Upload was uploaded with test_user.
+    Provides a processed upload. Upload was uploaded with user1.
     """
-    return test_processing.run_processing(uploaded, test_user)
+    return test_processing.run_processing(uploaded, user1)
 
 
 @pytest.mark.timeout(config.tests.default_timeout)
 @pytest.fixture(scope='function')
 def processeds(
-    non_empty_example_upload: str, test_user: User, proc_infra
+    non_empty_example_upload: str, user1: User, proc_infra
 ) -> List[processing.Upload]:
     result: List[processing.Upload] = []
     for i in range(2):
@@ -232,9 +232,7 @@ def processeds(
             i,
         )
         result.append(
-            test_processing.run_processing(
-                (upload_id, non_empty_example_upload), test_user
-            )
+            test_processing.run_processing((upload_id, non_empty_example_upload), user1)
         )
 
     return result
@@ -243,12 +241,12 @@ def processeds(
 @pytest.mark.timeout(config.tests.default_timeout)
 @pytest.fixture(scope='function')
 def non_empty_processed(
-    non_empty_uploaded: Tuple[str, str], test_user: User, proc_infra
+    non_empty_uploaded: Tuple[str, str], user1: User, proc_infra
 ) -> processing.Upload:
     """
-    Provides a processed upload. Upload was uploaded with test_user.
+    Provides a processed upload. Upload was uploaded with user1.
     """
-    return test_processing.run_processing(non_empty_uploaded, test_user)
+    return test_processing.run_processing(non_empty_uploaded, user1)
 
 
 @pytest.mark.timeout(config.tests.default_timeout)
@@ -257,7 +255,7 @@ def published(
     non_empty_processed: processing.Upload, internal_example_user_metadata
 ) -> processing.Upload:
     """
-    Provides a processed published upload. Upload was uploaded with test_user and is embargoed.
+    Provides a processed published upload. Upload was uploaded with user1 and is embargoed.
     """
     set_upload_entry_metadata(non_empty_processed, internal_example_user_metadata)
     non_empty_processed.publish_upload(embargo_length=12)
@@ -275,7 +273,7 @@ def published_wo_user_metadata(
     non_empty_processed: processing.Upload,
 ) -> processing.Upload:
     """
-    Provides a processed upload. Upload was uploaded with test_user.
+    Provides a processed upload. Upload was uploaded with user1.
     """
     non_empty_processed.publish_upload()
     try:
@@ -291,8 +289,8 @@ def example_data(
     elastic_module,
     raw_files_module,
     mongo_module,
-    test_user,
-    other_test_user,
+    user1,
+    user2,
     normalized,
 ):
     """
@@ -323,7 +321,7 @@ def example_data(
     id_empty:
         unpublished upload without any entries
     """
-    data = ExampleData(main_author=test_user)
+    data = ExampleData(main_author=user1)
 
     # 6 uploads with different combinations of main_type and sub_type
     for main_type in ('embargo', 'unpublished'):
@@ -338,8 +336,8 @@ def example_data(
                 embargo_length = 0
                 upload_name = None
             entry_id = upload_id + '_1'
-            coauthors = [other_test_user.user_id] if sub_type == 'w_coauthor' else None
-            reviewers = [other_test_user.user_id] if sub_type == 'w_reviewer' else None
+            coauthors = [user2.user_id] if sub_type == 'w_coauthor' else None
+            reviewers = [user2.user_id] if sub_type == 'w_reviewer' else None
             data.create_upload(
                 upload_id=upload_id,
                 upload_name=upload_name,
@@ -416,12 +414,12 @@ def example_data(
 
 @pytest.fixture(scope='function')
 def example_data_schema_python(
-    elastic_module, raw_files_module, mongo_module, test_user, normalized
+    elastic_module, raw_files_module, mongo_module, user1, normalized
 ):
     """
     Contains entries that store data using a python schema.
     """
-    data = ExampleData(main_author=test_user)
+    data = ExampleData(main_author=user1)
     upload_id = 'id_plugin_schema_published'
     date_value = datetime.now(timezone.utc)
 
@@ -492,12 +490,12 @@ def example_data_schema_python(
 
 @pytest.fixture(scope='function')
 def example_data_nexus(
-    elastic_module, raw_files_module, mongo_module, test_user, normalized
+    elastic_module, raw_files_module, mongo_module, user1, normalized
 ):
     """
     Contains entries that store data using a python schema.
     """
-    data = ExampleData(main_author=test_user)
+    data = ExampleData(main_author=user1)
     upload_id = 'id_nexus_published'
 
     data.create_upload(upload_id=upload_id, upload_name=upload_id, published=True)
@@ -535,13 +533,13 @@ def example_data_schema_yaml(
     no_warn,
     raw_files_module,
     mongo_module,
-    test_user,
+    user1,
     normalized,
 ):
     """
     Contains entries that store data using a python schema.
     """
-    data = ExampleData(main_author=test_user)
+    data = ExampleData(main_author=user1)
     upload_id = 'id_plugin_schema_published'
     date_value = datetime.now(timezone.utc)
 
@@ -611,8 +609,8 @@ def example_data_schema_yaml(
 
 
 @pytest.fixture(scope='function')
-def example_data_writeable(mongo_function, test_user, normalized):
-    data = ExampleData(main_author=test_user)
+def example_data_writeable(mongo_function, user1, normalized):
+    data = ExampleData(main_author=user1)
 
     # one upload with one entry, published
     data.create_upload(upload_id='id_published_w', published=True, embargo_length=12)
@@ -649,11 +647,11 @@ def example_data_writeable(mongo_function, test_user, normalized):
 
 
 @pytest.fixture(scope='function')
-def example_datasets(mongo_function, test_user, other_test_user):
+def example_datasets(mongo_function, user1, user2):
     dataset_specs = (
-        ('test_dataset_1', test_user, None),
-        ('test_dataset_2', test_user, 'test_doi_2'),
-        ('test_dataset_3', other_test_user, None),
+        ('test_dataset_1', user1, None),
+        ('test_dataset_2', user1, 'test_doi_2'),
+        ('test_dataset_3', user2, None),
     )
     datasets = []
     for dataset_name, user, doi in dataset_specs:
diff --git a/tests/fixtures/groups.py b/tests/fixtures/groups.py
index 58144f8cbb25a48d75b72799566a4b509315db6d..e1155844ee5b4740de84587dafac642a0339dd9d 100644
--- a/tests/fixtures/groups.py
+++ b/tests/fixtures/groups.py
@@ -1,34 +1,41 @@
+"""
+Group fixtures:
+- groupO: group owned by userO without members
+- groupOMN…: group owned by userO with members userM, userN, …
+- special (unfinished) groups, often only partly defined
+"""
+
 import pytest
 
 from nomad.groups import UserGroup, create_user_group
 from nomad.utils.exampledata import ExampleData
-from tests.utils import test_user_group_uuid, test_user_uuid
+from tests.utils import fake_group_uuid, fake_user_uuid
 
 
 @pytest.fixture(scope='session')
-def test_user_group_molds():
+def group_molds():
     """Returns mapping from group label to field value dictionary."""
 
     def old_group(group_id, group_name, owner, members):
         return dict(
-            group_id=test_user_group_uuid(group_id),
+            group_id=fake_group_uuid(group_id),
             group_name=group_name,
-            owner=test_user_uuid(owner),
-            members=[test_user_uuid(member) for member in members],
+            owner=fake_user_uuid(owner),
+            members=[fake_user_uuid(member) for member in members],
         )
 
     def new_group(group_name, members):
         return dict(
             group_name=group_name,
-            members=[test_user_uuid(member) for member in members],
+            members=[fake_user_uuid(member) for member in members],
         )
 
     return {
-        'admin_owner_group': old_group(0, 'Admin Owner Group', 0, []),
-        'user_owner_group': old_group(1, 'User Owner Group', 1, []),
-        'other_owner_group': old_group(2, 'Other Owner Group', 2, []),
-        'yet_owner_group': old_group(3, 'Yet Owner Group', 3, []),
-        'mixed_group': old_group(4, 'Mixed Group', 0, [1, 2]),
+        'group0': old_group(0, 'User0 Group', 0, []),
+        'group1': old_group(1, 'User1 Group', 1, []),
+        'group2': old_group(2, 'User2 Group', 2, []),
+        'group3': old_group(3, 'User3 Group', 3, []),
+        'group012': old_group(9012, 'Mixed Group', 0, [1, 2]),
         'new_group': new_group('New Group', [2, 3]),
         'short_name': new_group('GG', []),
         'long_name': new_group('G' * 33, []),
@@ -39,10 +46,8 @@ def test_user_group_molds():
 
 
 @pytest.fixture(scope='session')
-def convert_group_labels_to_ids(test_user_group_molds):
-    mapping = {
-        label: group.get('group_id') for label, group in test_user_group_molds.items()
-    }
+def convert_group_labels_to_ids(group_molds):
+    mapping = {label: group.get('group_id') for label, group in group_molds.items()}
 
     def convert(raw):
         if isinstance(raw, str):
@@ -60,32 +65,32 @@ def convert_group_labels_to_ids(test_user_group_molds):
 
 
 @pytest.fixture(scope='session')
-def user_owner_group(test_user_group_molds):
-    return UserGroup(**test_user_group_molds['user_owner_group'])
+def group1(group_molds):
+    return UserGroup(**group_molds['group1'])
 
 
 @pytest.fixture(scope='session')
-def other_owner_group(test_user_group_molds):
-    return UserGroup(**test_user_group_molds['other_owner_group'])
+def group2(group_molds):
+    return UserGroup(**group_molds['group2'])
 
 
 @pytest.fixture(scope='session')
-def mixed_group(test_user_group_molds):
-    return UserGroup(**test_user_group_molds['mixed_group'])
+def group012(group_molds):
+    return UserGroup(**group_molds['group012'])
 
 
 @pytest.fixture(scope='session')
-def create_user_groups(test_user_group_molds):
+def create_user_groups(group_molds):
     def create():
         user_groups = {}
         for label in [
-            'admin_owner_group',
-            'user_owner_group',
-            'other_owner_group',
-            'yet_owner_group',
-            'mixed_group',
+            'group0',
+            'group1',
+            'group2',
+            'group3',
+            'group012',
         ]:
-            group = test_user_group_molds[label]
+            group = group_molds[label]
             user_group = create_user_group(**group)
             user_groups[label] = user_group
 
@@ -126,14 +131,14 @@ def fill_group_data(convert_group_labels_to_ids):
 
 @pytest.fixture(scope='module')
 def example_data_groups(
-    elastic_module, mongo_module, user_groups_module, test_user, fill_group_data
+    elastic_module, mongo_module, user_groups_module, user1, fill_group_data
 ):
-    data = ExampleData(main_author=test_user)
+    data = ExampleData(main_author=user1)
     fill_group_data(data, 'no_group', [], [])
-    fill_group_data(data, 'coauthor_other', ['other_owner_group'], [])
-    fill_group_data(data, 'reviewer_other', [], ['other_owner_group'])
-    fill_group_data(data, 'coauthor_mixed', ['mixed_group'], [])
-    fill_group_data(data, 'reviewer_mixed', [], ['mixed_group'])
+    fill_group_data(data, 'coauthor_group2', ['group2'], [])
+    fill_group_data(data, 'reviewer_group2', [], ['group2'])
+    fill_group_data(data, 'coauthor_group012', ['group012'], [])
+    fill_group_data(data, 'reviewer_group012', [], ['group012'])
     fill_group_data(data, 'reviewer_all', [], ['all'])
 
     data.save(with_files=False)
@@ -144,8 +149,8 @@ def example_data_groups(
 
 
 @pytest.fixture(scope='function')
-def upload_no_group(mongo_function, test_user):
-    data = ExampleData(main_author=test_user)
+def upload_no_group(mongo_function, user1):
+    data = ExampleData(main_author=user1)
     data.create_upload(upload_id='id_no_group')
     data.save()
 
@@ -155,16 +160,16 @@ def upload_no_group(mongo_function, test_user):
 
 
 @pytest.fixture(scope='function')
-def upload_coauthor_other_and_mixed_group(
+def upload_coauthor_group2_and_group012(
     mongo_function,
-    test_user,
-    other_owner_group,
-    mixed_group,
+    user1,
+    group2,
+    group012,
 ):
-    data = ExampleData(main_author=test_user)
+    data = ExampleData(main_author=user1)
     data.create_upload(
         upload_id='id_coauthor_ogroup_mgroup',
-        coauthor_groups=[other_owner_group.group_id, mixed_group.group_id],
+        coauthor_groups=[group2.group_id, group012.group_id],
     )
     data.save()
 
@@ -174,8 +179,8 @@ def upload_coauthor_other_and_mixed_group(
 
 
 @pytest.fixture(scope='function')
-def upload_reviewer_all_group(mongo_function, test_user):
-    data = ExampleData(main_author=test_user)
+def upload_reviewer_all_group(mongo_function, user1):
+    data = ExampleData(main_author=user1)
     data.create_upload(upload_id='id_reviewer_all', reviewer_groups=['all'])
     data.save()
 
diff --git a/tests/fixtures/users.py b/tests/fixtures/users.py
index 43a5b7a52ef8a6243a2c96489569dd71f5818c78..6c97444f2877b54ab647da0d6b3331bb624e53e9 100644
--- a/tests/fixtures/users.py
+++ b/tests/fixtures/users.py
@@ -1,77 +1,79 @@
+"""
+User fixtures:
+- user0: admin user
+- user1: default user to use
+- user2, user3: additional users for access or interaction tests
+"""
+
 import pytest
 
 from nomad import infrastructure
 from nomad.config import config
 from nomad.datamodel import User
-from tests.utils import test_user_uuid
+from tests.utils import fake_user_uuid
 
-admin_user_id = test_user_uuid(0)
+admin_user_id = fake_user_uuid(0)
 
-test_users = {
-    test_user_uuid(0): dict(username='admin', email='admin', user_id=test_user_uuid(0)),
-    test_user_uuid(1): dict(
+users = {
+    fake_user_uuid(0): dict(username='admin', email='admin', user_id=fake_user_uuid(0)),
+    fake_user_uuid(1): dict(
         username='scooper',
         email='sheldon.cooper@nomad-coe.eu',
         first_name='Sheldon',
         last_name='Cooper',
-        user_id=test_user_uuid(1),
+        user_id=fake_user_uuid(1),
         is_oasis_admin=True,
     ),
-    test_user_uuid(2): dict(
+    fake_user_uuid(2): dict(
         username='lhofstadter',
         email='leonard.hofstadter@nomad-fairdi.tests.de',
         first_name='Leonard',
         last_name='Hofstadter',
-        user_id=test_user_uuid(2),
+        user_id=fake_user_uuid(2),
     ),
-    test_user_uuid(3): dict(
+    fake_user_uuid(3): dict(
         username='hwolowitz',
         email='howard.wolowitz@nomad-fairdi.tests.de',
         first_name='Howard',
         last_name='Wolowitz',
-        user_id=test_user_uuid(3),
+        user_id=fake_user_uuid(3),
     ),
 }
 
 
 @pytest.fixture(scope='session')
-def test_user_molds():
-    label_num = {
-        'admin_user': 0,
-        'test_user': 1,
-        'other_test_user': 2,
-        'yet_test_user': 3,
-    }
-    return {label: test_users[test_user_uuid(num)] for label, num in label_num.items()}
+def user_molds():
+    label_num = {f'user{i}': i for i in range(4)}
+    return {label: users[fake_user_uuid(num)] for label, num in label_num.items()}
 
 
 @pytest.fixture(scope='session')
-def admin_user():
-    return User(**test_users[test_user_uuid(0)])
+def user0():
+    return User(**users[fake_user_uuid(0)])
 
 
 @pytest.fixture(scope='session')
-def test_user():
-    return User(**test_users[test_user_uuid(1)])
+def user1():
+    return User(**users[fake_user_uuid(1)])
 
 
 @pytest.fixture(scope='session')
-def other_test_user():
-    return User(**test_users[test_user_uuid(2)])
+def user2():
+    return User(**users[fake_user_uuid(2)])
 
 
 @pytest.fixture(scope='session')
-def yet_test_user():
-    return User(**test_users[test_user_uuid(3)])
+def user3():
+    return User(**users[fake_user_uuid(3)])
 
 
 @pytest.fixture(scope='session')
-def test_users_dict(test_user, other_test_user, admin_user, yet_test_user):
+def users_dict(user0, user1, user2, user3):
     return {
-        'admin_user': admin_user,
-        'test_user': test_user,
-        'other_test_user': other_test_user,
-        'yet_test_user': yet_test_user,
+        'user0': user0,
+        'user1': user1,
+        'user2': user2,
+        'user3': user3,
     }
 
 
@@ -83,7 +85,7 @@ def configure_admin_user_id(monkeysession):
 class KeycloakMock:
     def __init__(self):
         self.id_counter = 3
-        self.users = dict(**test_users)
+        self.users = dict(**users)
 
     def tokenauth(self, access_token: str):
         if access_token in self.users:
@@ -93,7 +95,7 @@ class KeycloakMock:
 
     def add_user(self, user, *args, **kwargs):
         self.id_counter += 1
-        user.user_id = test_user_uuid(self.id_counter)
+        user.user_id = fake_user_uuid(self.id_counter)
         user.username = (user.first_name[0] + user.last_name).lower()
         self.users[user.user_id] = dict(
             email=user.email,
@@ -121,9 +123,9 @@ class KeycloakMock:
 
     def search_user(self, query):
         return [
-            User(**test_user)
-            for test_user in self.users.values()
-            if query in ' '.join([str(value) for value in test_user.values()])
+            User(**user)
+            for user in self.users.values()
+            if query in ' '.join([str(value) for value in user.values()])
         ]
 
     def basicauth(self, username: str, password: str) -> str:
diff --git a/tests/graph/test_graph_reader.py b/tests/graph/test_graph_reader.py
index 92e2f7f7d1d718db080abf4061ffb38a15f5d3fa..a549744f4edffc5f553990dc1fe917876bab3e45 100644
--- a/tests/graph/test_graph_reader.py
+++ b/tests/graph/test_graph_reader.py
@@ -98,7 +98,7 @@ user_dict = {
 
 
 # noinspection SpellCheckingInspection,DuplicatedCode
-def test_remote_reference(json_dict, example_data_with_reference, test_user):
+def test_remote_reference(json_dict, example_data_with_reference, user1):
     def increment():
         n = 0
         while True:
@@ -108,14 +108,14 @@ def test_remote_reference(json_dict, example_data_with_reference, test_user):
     counter = increment()
 
     def __user_print(msg, required, *, result: dict = None):
-        with UserReader(required, user=test_user) as reader:
+        with UserReader(required, user=user1) as reader:
             if result:
-                assert_dict(reader.read(test_user.user_id), result)
+                assert_dict(reader.read(user1.user_id), result)
             else:
                 rprint(f'\n\nExample: {next(counter)} -> {msg}:')
                 rprint(required)
                 rprint('output:')
-                rprint(reader.read(test_user.user_id))
+                rprint(reader.read(user1.user_id))
 
     __user_print(
         'plain user',
@@ -831,7 +831,7 @@ def test_remote_reference(json_dict, example_data_with_reference, test_user):
     )
 
     def __upload_print(msg, required, *, result: dict = None):
-        with UploadReader(required, user=test_user) as reader:
+        with UploadReader(required, user=user1) as reader:
             if result:
                 assert_dict(reader.read('id_published_with_ref'), result)
             else:
@@ -1246,7 +1246,7 @@ def test_remote_reference(json_dict, example_data_with_reference, test_user):
     )
 
     def __entry_print(msg, required, *, to_file: bool = False, result: dict = None):
-        with EntryReader(required, user=test_user) as reader:
+        with EntryReader(required, user=user1) as reader:
             if result:
                 assert_dict(reader.read('id_03'), result)
             else:
@@ -1617,7 +1617,7 @@ def test_remote_reference(json_dict, example_data_with_reference, test_user):
     )
 
     def __fs_print(msg, required, *, result: dict = None):
-        with FileSystemReader(required, user=test_user) as reader:
+        with FileSystemReader(required, user=user1) as reader:
             if result:
                 assert_dict(reader.read('id_published_with_ref'), result)
             else:
@@ -2081,7 +2081,7 @@ def test_remote_reference(json_dict, example_data_with_reference, test_user):
 
 
 # noinspection DuplicatedCode,SpellCheckingInspection
-def test_general_reader(json_dict, example_data_with_reference, test_user):
+def test_general_reader(json_dict, example_data_with_reference, user1):
     def increment():
         n = 0
         while True:
@@ -2091,7 +2091,7 @@ def test_general_reader(json_dict, example_data_with_reference, test_user):
     counter = increment()
 
     def __ge_print(msg, required, *, to_file: bool = False, result: dict = None):
-        with MongoReader(required, user=test_user) as reader:
+        with MongoReader(required, user=user1) as reader:
             if result:
                 assert_dict(reader.read(), result)
             else:
@@ -2454,7 +2454,7 @@ def test_general_reader(json_dict, example_data_with_reference, test_user):
 
 
 # noinspection DuplicatedCode,SpellCheckingInspection
-def test_general_reader_search(json_dict, example_data_with_reference, test_user):
+def test_general_reader_search(json_dict, example_data_with_reference, user1):
     def increment():
         n = 0
         while True:
@@ -2464,7 +2464,7 @@ def test_general_reader_search(json_dict, example_data_with_reference, test_user
     counter = increment()
 
     def __ge_print(msg, required, *, to_file: bool = False, result: dict = None):
-        with MongoReader(required, user=test_user) as reader:
+        with MongoReader(required, user=user1) as reader:
             if result:
                 assert_dict(reader.read(), result)
             else:
@@ -2555,7 +2555,7 @@ def test_general_reader_search(json_dict, example_data_with_reference, test_user
 
 
 @pytest.fixture(scope='function')
-def custom_data(test_user, proc_infra):
+def custom_data(user1, proc_infra):
     yaml_archive = yaml.safe_load(
         """
 ---
@@ -2585,7 +2585,7 @@ data:
 """
     )
     archive = EntryArchive.m_from_dict(yaml_archive)
-    data = ExampleData(main_author=test_user)
+    data = ExampleData(main_author=user1)
 
     data.create_upload(
         upload_id='id_custom', upload_name='name_published', published=True
@@ -2600,7 +2600,7 @@ data:
     data.delete()
 
 
-def test_custom_schema_archive_and_definition(test_user, custom_data):
+def test_custom_schema_archive_and_definition(user1, custom_data):
     def increment():
         n = 0
         while True:
@@ -2610,7 +2610,7 @@ def test_custom_schema_archive_and_definition(test_user, custom_data):
     counter = increment()
 
     def __entry_print(msg, required, *, to_file: bool = False, result: dict = None):
-        with EntryReader(required, user=test_user) as reader:
+        with EntryReader(required, user=user1) as reader:
             response = reader.read('id_example')
             if result:
                 assert_dict(response, result)
@@ -2712,14 +2712,14 @@ def test_custom_schema_archive_and_definition(test_user, custom_data):
 
 @pytest.fixture(scope='function')
 def example_data_with_reference(
-    elastic_function, raw_files_module, mongo_function, test_user, json_dict
+    elastic_function, raw_files_module, mongo_function, user1, json_dict
 ):
     """
     Provides a couple of entries with references.
 
     Only used in test_required_reader_with_remote_reference.
     """
-    data = ExampleData(main_author=test_user)
+    data = ExampleData(main_author=user1)
 
     data.create_upload(
         upload_id='id_published_with_ref', upload_name='name_published', published=False
diff --git a/tests/metainfo/test_elasticsearch_extension.py b/tests/metainfo/test_elasticsearch_extension.py
index 8447634d22602227c79e2edafad65717037a330a..082a1125d657fd39ca89b52715f338c9c85081a8 100644
--- a/tests/metainfo/test_elasticsearch_extension.py
+++ b/tests/metainfo/test_elasticsearch_extension.py
@@ -45,11 +45,11 @@ def example_data_normalizers(
     elastic_module,
     raw_files_module,
     mongo_module,
-    test_user,
-    other_test_user,
+    user1,
+    user2,
     normalized,
 ):
-    data = ExampleData(main_author=test_user)
+    data = ExampleData(main_author=user1)
     upload_id = 'normalizer_upload'
 
     data.create_upload(upload_id=upload_id, published=True)
@@ -76,11 +76,11 @@ def example_data_large_keyword(
     elastic_module,
     raw_files_module,
     mongo_module,
-    test_user,
-    other_test_user,
+    user1,
+    user2,
     normalized,
 ):
-    data = ExampleData(main_author=test_user)
+    data = ExampleData(main_author=user1)
     upload_id = 'id_search_quantities_index'
 
     data.create_upload(upload_id=upload_id, upload_name=upload_id, published=True)
diff --git a/tests/parsing/test_chemotion_parser.py b/tests/parsing/test_chemotion_parser.py
index 117ff3634c60588f50303641e494246e292f8e80..7854780bc9f3b7044e8784be14be399195c2542e 100644
--- a/tests/parsing/test_chemotion_parser.py
+++ b/tests/parsing/test_chemotion_parser.py
@@ -59,9 +59,9 @@ def _assert_chemotion(test_archive):
 
 
 @pytest.mark.timeout(config.tests.default_timeout)
-def test_chemotion_parser(raw_files_function, proc_infra, api_v1, test_user):
+def test_chemotion_parser(raw_files_function, proc_infra, api_v1, user1):
     upload = run_processing(
-        ('test_upload', 'tests/data/parsers/chemotion/test.zip'), test_user
+        ('test_upload', 'tests/data/parsers/chemotion/test.zip'), user1
     )
 
     assert upload.total_entries_count == 2
diff --git a/tests/parsing/test_elabftw_parser.py b/tests/parsing/test_elabftw_parser.py
index 73fd66d0ac44db8572adf82cf144cf1b6df7dfae..dd729ef028dd3e831fb607b0e1ec8324bb24b88b 100644
--- a/tests/parsing/test_elabftw_parser.py
+++ b/tests/parsing/test_elabftw_parser.py
@@ -80,9 +80,9 @@ def _assert_elabftw(test_archive):
 
 
 @pytest.mark.timeout(config.tests.default_timeout)
-def test_elabftw_parser(raw_files_function, proc_infra, api_v1, test_user):
+def test_elabftw_parser(raw_files_function, proc_infra, api_v1, user1):
     upload = run_processing(
-        ('test_upload', 'tests/data/parsers/elabftw/test.eln'), test_user
+        ('test_upload', 'tests/data/parsers/elabftw/test.eln'), user1
     )
 
     assert upload.total_entries_count == 2
diff --git a/tests/parsing/test_tabular.py b/tests/parsing/test_tabular.py
index f9b9cb75c514185b9f3bf26c5d6b222dc0264237..8f746bbd81b5026f4f299377375498fe2ecd446f 100644
--- a/tests/parsing/test_tabular.py
+++ b/tests/parsing/test_tabular.py
@@ -339,9 +339,9 @@ def test_tabular_complex_schema(raw_files_function, monkeypatch, schema):
 
 
 def test_tabular_entry_mode(
-    mongo_function, test_user, raw_files_function, monkeypatch, proc_infra
+    mongo_function, user1, raw_files_function, monkeypatch, proc_infra
 ):
-    upload = Upload(upload_id='test_upload_id', main_author=test_user.user_id)
+    upload = Upload(upload_id='test_upload_id', main_author=user1.user_id)
     upload.save()
     files.StagingUploadFiles(upload_id=upload.upload_id, create=True)
     upload.staging_upload_files.add_rawfiles('tests/data/parsers/tabular/')
diff --git a/tests/plugins/perovskite_solar_cell_database/test_perovskite_database.py b/tests/plugins/perovskite_solar_cell_database/test_perovskite_database.py
index 93b7b7265d6fd74a270db34441cdd5fe999da131..ac9ee8d9cb9ff50c91b8be8b91f4ef8accb5bd6a 100644
--- a/tests/plugins/perovskite_solar_cell_database/test_perovskite_database.py
+++ b/tests/plugins/perovskite_solar_cell_database/test_perovskite_database.py
@@ -23,12 +23,12 @@ from nomad.utils.exampledata import ExampleData
 
 
 def test_perovskite_solar_cell_plugin_processing(
-    raw_files_function, no_warn, test_user, mongo_function
+    raw_files_function, no_warn, user1, mongo_function
 ):
     directory = 'tests/data/plugins/perovskite_solar_cell_database'
     mainfile = 'example.archive.json'
     upload_id = 'test_upload_id'
-    data = ExampleData(main_author=test_user)
+    data = ExampleData(main_author=user1)
     data.create_upload(upload_id=upload_id, published=False)
     context = ClientContext(local_dir=directory, upload_id=upload_id)
 
diff --git a/tests/processing/test_data.py b/tests/processing/test_data.py
index 729f600599466708d0bdf82be4c3342375dc1ad9..e0a70ef1cb962c3a77782a6235f6050f0d21fa29 100644
--- a/tests/processing/test_data.py
+++ b/tests/processing/test_data.py
@@ -260,27 +260,21 @@ def test_processing(processed, no_warn, mails, monkeypatch):
 
 
 @pytest.mark.timeout(config.tests.default_timeout)
-def test_processing_two_runs(test_user, proc_infra, tmp):
+def test_processing_two_runs(user1, proc_infra, tmp):
     upload_file = create_template_upload_file(
         tmp, mainfiles=['tests/data/proc/templates/template_tworuns.json']
     )
-    processed = run_processing(
-        (
-            'test_upload_id',
-            upload_file,
-        ),
-        test_user,
-    )
+    processed = run_processing(('test_upload_id', upload_file), user1)
     assert_processing(processed)
 
 
 @pytest.mark.timeout(config.tests.default_timeout)
-def test_processing_with_large_dir(test_user, proc_infra, tmp):
+def test_processing_with_large_dir(user1, proc_infra, tmp):
     upload_path = create_template_upload_file(
         tmp, mainfiles=['tests/data/proc/templates/template.json'], auxfiles=150
     )
     upload_id = upload_path[:-4]
-    upload = run_processing((upload_id, upload_path), test_user)
+    upload = run_processing((upload_id, upload_path), user1)
     for entry in upload.successful_entries:
         assert len(entry.warnings) == 1
 
@@ -315,10 +309,8 @@ def test_publish(
 
 
 @pytest.mark.timeout(config.tests.default_timeout)
-def test_publish_directly(
-    non_empty_uploaded, test_user, proc_infra, no_warn, monkeypatch
-):
-    processed = run_processing(non_empty_uploaded, test_user, publish_directly=True)
+def test_publish_directly(non_empty_uploaded, user1, proc_infra, no_warn, monkeypatch):
+    processed = run_processing(non_empty_uploaded, user1, publish_directly=True)
 
     with processed.entries_metadata() as entries:
         assert_upload_files(
@@ -359,13 +351,13 @@ def test_republish(
 def test_publish_failed(
     non_empty_uploaded: Tuple[str, str],
     internal_example_user_metadata,
-    test_user,
+    user1,
     monkeypatch,
     proc_infra,
 ):
     mock_failure(Entry, 'parsing', monkeypatch)
 
-    processed = run_processing(non_empty_uploaded, test_user)
+    processed = run_processing(non_empty_uploaded, user1)
     set_upload_entry_metadata(processed, internal_example_user_metadata)
 
     additional_keys = ['with_embargo']
@@ -400,7 +392,7 @@ def test_publish_to_central_nomad(
     proc_infra,
     monkeypatch,
     oasis_publishable_upload,
-    test_user,
+    user1,
     no_warn,
     import_settings,
     embargo_length,
@@ -458,19 +450,19 @@ def test_publish_to_central_nomad(
 
 
 @pytest.mark.timeout(config.tests.default_timeout)
-def test_processing_with_warning(proc_infra, test_user, with_warn, tmp):
+def test_processing_with_warning(proc_infra, user1, with_warn, tmp):
     example_file = create_template_upload_file(
         tmp, 'tests/data/proc/templates/with_warning_template.json'
     )
     example_upload_id = os.path.basename(example_file).replace('.zip', '')
 
-    upload = run_processing((example_upload_id, example_file), test_user)
+    upload = run_processing((example_upload_id, example_file), user1)
     assert_processing(upload)
 
 
 @pytest.mark.timeout(config.tests.default_timeout)
-def test_process_non_existing(proc_infra, test_user, with_error):
-    upload = run_processing(('__does_not_exist', '__does_not_exist'), test_user)
+def test_process_non_existing(proc_infra, user1, with_error):
+    upload = run_processing(('__does_not_exist', '__does_not_exist'), user1)
 
     assert not upload.process_running
     assert upload.process_status == ProcessStatus.FAILURE
@@ -667,7 +659,7 @@ def test_re_process_match(non_empty_processed, published, monkeypatch, no_warn):
 
 
 @pytest.mark.parametrize('reuse_parser', [False, True])
-def test_reuse_parser(monkeypatch, tmp, test_user, proc_infra, reuse_parser, no_warn):
+def test_reuse_parser(monkeypatch, tmp, user1, proc_infra, reuse_parser, no_warn):
     upload_path = os.path.join(tmp, 'example_upload.zip')
     with zipfile.ZipFile(upload_path, 'w') as zf:
         zf.write('tests/data/parsers/vasp/vasp.xml', 'one/run.vasp.xml')
@@ -679,7 +671,7 @@ def test_reuse_parser(monkeypatch, tmp, test_user, proc_infra, reuse_parser, no_
             'example_upload',
             upload_path,
         ),
-        test_user,
+        user1,
     )
 
     assert upload.total_entries_count == 2
@@ -891,7 +883,7 @@ def mock_failure(cls, function_name, monkeypatch):
 )
 @pytest.mark.timeout(config.tests.default_timeout)
 def test_process_failure(
-    monkeypatch, uploaded, function, proc_infra, test_user, with_error
+    monkeypatch, uploaded, function, proc_infra, user1, with_error
 ):
     upload_id, _ = uploaded
     # mock the function to throw exceptions
@@ -905,7 +897,7 @@ def test_process_failure(
     mock_failure(cls, function, monkeypatch)
 
     # run the test
-    upload = run_processing(uploaded, test_user)
+    upload = run_processing(uploaded, user1)
 
     assert not upload.process_running
 
@@ -936,14 +928,14 @@ def test_process_failure(
 
 # consume_ram, segfault, and exit are not testable with the celery test worker
 @pytest.mark.parametrize('failure', ['exception'])
-def test_malicious_parser_failure(proc_infra, failure, test_user, tmp):
+def test_malicious_parser_failure(proc_infra, failure, user1, tmp):
     example_file = os.path.join(tmp, 'upload.zip')
     with zipfile.ZipFile(example_file, mode='w') as zf:
         with zf.open('chaos.json', 'w') as f:
             f.write(f'"{failure}"'.encode())
     example_upload_id = f'chaos_{failure}'
 
-    upload = run_processing((example_upload_id, example_file), test_user)
+    upload = run_processing((example_upload_id, example_file), user1)
 
     assert not upload.process_running
     assert len(upload.errors) == 0
@@ -957,7 +949,7 @@ def test_malicious_parser_failure(proc_infra, failure, test_user, tmp):
     assert len(entry.errors) == 1
 
 
-def test_parent_child_parser(proc_infra, test_user, tmp):
+def test_parent_child_parser(proc_infra, user1, tmp):
     # Create a dummy parser which creates child entries
     class ParentChildParser(Parser):
         name = 'parsers/parentchild'
@@ -1005,7 +997,7 @@ def test_parent_child_parser(proc_infra, test_user, tmp):
         with open(example_filepath, 'w') as f:
             f.write('\n'.join(['parentchild', *children]))
 
-        upload = run_processing((example_upload_id, example_filepath), test_user)
+        upload = run_processing((example_upload_id, example_filepath), user1)
 
         assert upload.process_status == ProcessStatus.SUCCESS
         assert upload.total_entries_count == len(children) + 1
@@ -1023,12 +1015,12 @@ def test_parent_child_parser(proc_infra, test_user, tmp):
 
 
 @pytest.mark.timeout(config.tests.default_timeout)
-def test_creating_new_entries_during_processing(proc_infra, test_user):
+def test_creating_new_entries_during_processing(proc_infra, user1):
     """
     Tests a use-case where a schema has a normalizer that adds new mainfiles during processing.
     """
     upload_id = 'test_create_during_processing'
-    upload = Upload.create(upload_id=upload_id, main_author=test_user)
+    upload = Upload.create(upload_id=upload_id, main_author=user1)
     upload_files = StagingUploadFiles(upload_id, create=True)
     with upload_files.raw_file('batch.archive.json', 'w') as outfile:
         json.dump(
@@ -1056,9 +1048,9 @@ def test_creating_new_entries_during_processing(proc_infra, test_user):
 
 
 @pytest.mark.timeout(config.tests.default_timeout)
-def test_ems_data(proc_infra, test_user):
+def test_ems_data(proc_infra, user1):
     upload = run_processing(
-        ('test_ems_upload', 'tests/data/proc/examples_ems.zip'), test_user
+        ('test_ems_upload', 'tests/data/proc/examples_ems.zip'), user1
     )
 
     additional_keys = ['results.method.method_name', 'results.material.elements']
@@ -1073,9 +1065,9 @@ def test_ems_data(proc_infra, test_user):
 
 
 @pytest.mark.timeout(config.tests.default_timeout)
-def test_qcms_data(proc_infra, test_user):
+def test_qcms_data(proc_infra, user1):
     upload = run_processing(
-        ('test_qcms_upload', 'tests/data/proc/examples_qcms.zip'), test_user
+        ('test_qcms_upload', 'tests/data/proc/examples_qcms.zip'), user1
     )
 
     additional_keys = [
@@ -1093,9 +1085,9 @@ def test_qcms_data(proc_infra, test_user):
 
 
 @pytest.mark.timeout(config.tests.default_timeout)
-def test_phonopy_data(proc_infra, test_user):
+def test_phonopy_data(proc_infra, user1):
     upload = run_processing(
-        ('test_upload', 'tests/data/proc/examples_phonopy.zip'), test_user
+        ('test_upload', 'tests/data/proc/examples_phonopy.zip'), user1
     )
 
     additional_keys = ['results.method.simulation.program_name']
@@ -1109,7 +1101,7 @@ def test_phonopy_data(proc_infra, test_user):
         assert_search_upload(entries, additional_keys, published=False)
 
 
-def test_read_metadata_from_file(proc_infra, test_user, other_test_user, tmp):
+def test_read_metadata_from_file(proc_infra, user1, user2, tmp):
     upload_file = os.path.join(tmp, 'upload.zip')
     with zipfile.ZipFile(upload_file, 'w') as zf:
         zf.write(
@@ -1138,7 +1130,7 @@ def test_read_metadata_from_file(proc_infra, test_user, other_test_user, tmp):
             f.write(json.dumps(entry_2).encode())
         metadata = {
             'upload_name': 'my name',
-            'coauthors': other_test_user.user_id,
+            'coauthors': user2.user_id,
             'references': ['http://test0.com'],
             'entries': {
                 'examples/entry_3/template.json': {
@@ -1152,7 +1144,7 @@ def test_read_metadata_from_file(proc_infra, test_user, other_test_user, tmp):
         with zf.open('nomad.json', 'w') as f:
             f.write(json.dumps(metadata).encode())
 
-    upload = run_processing(('test_upload', upload_file), test_user)
+    upload = run_processing(('test_upload', upload_file), user1)
 
     entries = Entry.objects(upload_id=upload.upload_id)
     entries = sorted(entries, key=lambda entry: entry.mainfile)
@@ -1165,7 +1157,7 @@ def test_read_metadata_from_file(proc_infra, test_user, other_test_user, tmp):
         ['http://test3.com'],
         ['http://test0.com'],
     ]
-    expected_coauthors = [other_test_user]
+    expected_coauthors = [user2]
 
     for i in range(len(entries)):
         entry_metadata = entries[i].full_entry_metadata(upload)
@@ -1182,9 +1174,9 @@ def test_read_metadata_from_file(proc_infra, test_user, other_test_user, tmp):
             assert coauthors[j].last_name == expected_coauthors[j].last_name
 
 
-def test_skip_matching(proc_infra, test_user):
+def test_skip_matching(proc_infra, user1):
     upload = run_processing(
-        ('test_skip_matching', 'tests/data/proc/skip_matching.zip'), test_user
+        ('test_skip_matching', 'tests/data/proc/skip_matching.zip'), user1
     )
     assert upload.total_entries_count == 1
 
@@ -1203,13 +1195,13 @@ def test_skip_matching(proc_infra, test_user):
     ],
 )
 def test_upload_context(
-    raw_files_function, mongo_function, test_user, url, normalized_url, monkeypatch
+    raw_files_function, mongo_function, user1, url, normalized_url, monkeypatch
 ):
     monkeypatch.setattr(
         'nomad.utils.generate_entry_id', lambda *args, **kwargs: 'test_id'
     )
 
-    data = ExampleData(main_author=test_user)
+    data = ExampleData(main_author=user1)
     data.create_upload(upload_id='test_id', published=True)
 
     referenced_archive = EntryArchive(data=TestData())
diff --git a/tests/processing/test_edit_metadata.py b/tests/processing/test_edit_metadata.py
index c258070b4be5c4d836583d4bc962f6cc4bf7520e..eca6c88969f22060e537ce473c6cd59f48d911ee 100644
--- a/tests/processing/test_edit_metadata.py
+++ b/tests/processing/test_edit_metadata.py
@@ -308,22 +308,20 @@ def test_edit_metadata(
     purged_app,
     example_data_writeable,
     example_datasets,
-    test_users_dict,
+    users_dict,
     kwargs,
 ):
-    kwargs['user'] = test_users_dict[kwargs.get('user', 'test_user')]
+    kwargs['user'] = users_dict[kwargs.get('user', 'user1')]
     assert_edit_request(**kwargs)
 
 
-def test_set_and_clear_all(
-    proc_infra, example_data_writeable, example_datasets, test_user
-):
+def test_set_and_clear_all(proc_infra, example_data_writeable, example_datasets, user1):
     # Set all fields a coauthor can set
-    assert_edit_request(user=test_user, metadata=all_coauthor_metadata)
+    assert_edit_request(user=user1, metadata=all_coauthor_metadata)
     # Clear all fields that can be cleared with a 'set' operation
     # = all of the above, except embargo_length and datasets
     assert_edit_request(
-        user=test_user,
+        user=user1,
         metadata=dict(
             upload_name='',
             coauthors=[],
@@ -523,7 +521,7 @@ def test_list_quantities(
     purged_app,
     example_data_writeable,
     example_datasets,
-    test_users_dict,
+    users_dict,
     kwargs,
 ):
     def replace_dataset_ref(dataset_ref):
@@ -538,7 +536,7 @@ def test_list_quantities(
             return [replace_dataset_ref(ref) for ref in ref_or_reflist]
         return replace_dataset_ref(ref_or_reflist)
 
-    kwargs['user'] = test_users_dict[kwargs.get('user', 'test_user')]
+    kwargs['user'] = users_dict[kwargs.get('user', 'user1')]
     for suffix in ('_1', '_2'):
         for arg in ('metadata', 'expected_metadata', 'expected_error_loc'):
             if arg in kwargs:
@@ -557,16 +555,14 @@ def test_list_quantities(
         assert_edit_request(**kwargs)
 
 
-def test_admin_quantities(
-    proc_infra, example_data_writeable, test_user, other_test_user, admin_user
-):
+def test_admin_quantities(proc_infra, example_data_writeable, user1, user2, user0):
     assert_edit_request(
-        user=admin_user, upload_id='id_published_w', metadata=all_admin_metadata
+        user=user0, upload_id='id_published_w', metadata=all_admin_metadata
     )
     # try to do the same as a non-admin
     for k, v in all_admin_metadata.items():
         assert_edit_request(
-            user=test_user,
+            user=user1,
             upload_id='id_unpublished_w',
             metadata={k: v},
             expected_error_loc=('metadata', k),
@@ -574,7 +570,7 @@ def test_admin_quantities(
 
 
 def test_query_cannot_set_upload_attributes(
-    proc_infra, example_data_writeable, example_datasets, test_user
+    proc_infra, example_data_writeable, example_datasets, user1
 ):
     query = {'and': [{'upload_create_time:gt': '2021-01-01'}, {'published': False}]}
     for k, v in all_coauthor_upload_metadata.items():
@@ -582,7 +578,7 @@ def test_query_cannot_set_upload_attributes(
         # regardless of if upload_id is specified
         for upload_id in (None, 'id_unpublished_w'):
             assert_edit_request(
-                user=test_user,
+                user=user1,
                 query=query,
                 owner='user',
                 upload_id=upload_id,
@@ -591,7 +587,7 @@ def test_query_cannot_set_upload_attributes(
             )
     # Attempting to edit an entry level attribute with query should always succeed
     assert_edit_request(
-        user=test_user,
+        user=user1,
         query=query,
         owner='user',
         upload_id=None,
diff --git a/tests/test_cli.py b/tests/test_cli.py
index 9f63fa8e352a1269cf4512b9d9c5cd3c779ef069..3f03dca458c8dd7a902b0b9f4e1c918e95ed20e5 100644
--- a/tests/test_cli.py
+++ b/tests/test_cli.py
@@ -305,16 +305,16 @@ class TestAdminUploads:
         published.reload()
         assert published.process_status == ProcessStatus.SUCCESS
 
-    def test_chown(self, published: Upload, test_user, other_test_user):
+    def test_chown(self, published: Upload, user1, user2):
         upload_id = published.upload_id
-        assert published.main_author == test_user.user_id
+        assert published.main_author == user1.user_id
         with published.entries_metadata() as entries_metadata:
             for entry_metadata in entries_metadata:
-                assert entry_metadata.main_author.user_id == test_user.user_id
+                assert entry_metadata.main_author.user_id == user1.user_id
 
         result = invoke_cli(
             cli,
-            ['admin', 'uploads', 'chown', other_test_user.username, upload_id],
+            ['admin', 'uploads', 'chown', user2.username, upload_id],
             catch_exceptions=False,
         )
 
@@ -323,10 +323,10 @@ class TestAdminUploads:
 
         published.block_until_complete()
 
-        assert published.main_author == other_test_user.user_id
+        assert published.main_author == user2.user_id
         with published.entries_metadata() as entries_metadata:
             for entry_metadata in entries_metadata:
-                assert entry_metadata.main_author.user_id == other_test_user.user_id
+                assert entry_metadata.main_author.user_id == user2.user_id
 
     @pytest.mark.parametrize(
         'with_entries,success,failure',
@@ -373,9 +373,9 @@ class TestAdminUploads:
 
     @pytest.mark.parametrize('indexed', [True, False])
     def test_integrity_entry_index(
-        self, test_user, mongo_function, elastic_function, indexed
+        self, user1, mongo_function, elastic_function, indexed
     ):
-        data = ExampleData(main_author=test_user)
+        data = ExampleData(main_author=user1)
         data.create_upload(upload_id='test_upload')
         data.create_entry(upload_id='test_upload')
         data.save(with_es=indexed, with_files=False)
@@ -391,14 +391,14 @@ class TestAdminUploads:
 @pytest.mark.usefixtures('reset_config')
 class TestClient:
     def test_upload(
-        self, non_empty_example_upload, admin_user, proc_infra, client_with_api_v1
+        self, non_empty_example_upload, user0, proc_infra, client_with_api_v1
     ):
         result = invoke_cli(
             cli,
             [
                 'client',
                 '-u',
-                admin_user.username,
+                user0.username,
                 '--token-via-api',
                 'upload',
                 '--upload-name',
diff --git a/tests/test_client.py b/tests/test_client.py
index 5bca18a42264e21dc038e466b048b3a87afdba5e..a12dc1f9e4da3cfafc9f68f2db9366949d8171c5 100644
--- a/tests/test_client.py
+++ b/tests/test_client.py
@@ -26,7 +26,7 @@ from nomad.client.archive import ArchiveQuery
 from nomad.datamodel import EntryArchive, User
 from nomad.datamodel.metainfo import runschema, SCHEMA_IMPORT_ERROR
 from nomad.metainfo import MSection, SubSection
-from tests.fixtures.users import test_users
+from tests.fixtures.users import users
 from tests.processing import test_data as test_processing
 
 
@@ -54,11 +54,11 @@ def assert_results(
 
 
 @pytest.fixture(scope='function')
-def many_uploads(non_empty_uploaded: Tuple[str, str], test_user: User, proc_infra):
+def many_uploads(non_empty_uploaded: Tuple[str, str], user1: User, proc_infra):
     _, upload_file = non_empty_uploaded
     for index in range(0, 4):
         upload = test_processing.run_processing(
-            ('test_upload_%d' % index, upload_file), test_user
+            ('test_upload_%d' % index, upload_file), user1
         )
         upload.publish_upload()  # pylint: disable=no-member
         try:
@@ -90,7 +90,7 @@ def async_api_v1(monkeysession):
     monkeysession.setattr('httpx.AsyncClient.delete', getattr(test_client, 'delete'))
 
     def mocked_auth_headers(self) -> dict:
-        for user in test_users.values():
+        for user in users.values():
             if user['username'] == self.user or user['email'] == self.user:
                 return dict(Authorization=f'Bearer {user["user_id"]}')
         return {}
@@ -129,12 +129,12 @@ def test_async_query_required(
     assert_results(async_query.download(), sub_section_defs=sub_sections)
 
 
-def test_async_query_auth(async_api_v1, published, other_test_user, test_user):
-    async_query = ArchiveQuery(username=other_test_user.username, password='password')
+def test_async_query_auth(async_api_v1, published, user2, user1):
+    async_query = ArchiveQuery(username=user2.username, password='password')
 
     assert_results(async_query.download(), total=0)
 
-    async_query = ArchiveQuery(username=test_user.username, password='password')
+    async_query = ArchiveQuery(username=user1.username, password='password')
 
     assert_results(async_query.download(), total=1)
 
diff --git a/tests/test_doi.py b/tests/test_doi.py
index 33958cc5149e4cceee17dd79d474a0c37dd9b8dd..60498040f7d707584a64bc152bcaf5729b268f54 100644
--- a/tests/test_doi.py
+++ b/tests/test_doi.py
@@ -21,22 +21,22 @@ import pytest
 from unittest.mock import MagicMock
 
 
-def test_create(mongo_function, test_user, no_warn):
-    doi = DOI.create('the_title', test_user)
+def test_create(mongo_function, user1, no_warn):
+    doi = DOI.create('the_title', user1)
 
     assert DOI.objects(doi=doi.doi).first() is not None
     assert doi.metadata_xml is not None
 
 
-def test_create_doi_counter(mongo_function, test_user, no_warn):
-    DOI.create('the_title', test_user)
-    doi = DOI.create('the_title', test_user)
+def test_create_doi_counter(mongo_function, user1, no_warn):
+    DOI.create('the_title', user1)
+    doi = DOI.create('the_title', user1)
     assert doi.doi.endswith('-2')
 
 
-def test_create_draft_doi(mongo_function, test_user, no_warn):
+def test_create_draft_doi(mongo_function, user1, no_warn):
     if config.datacite.enabled:
-        doi = DOI.create('the_title', test_user)
+        doi = DOI.create('the_title', user1)
         doi.create_draft()
         doi.delete()
 
@@ -52,7 +52,7 @@ def test_create_draft_doi(mongo_function, test_user, no_warn):
     ],
 )
 def test_datacite_requests(
-    mongo_function, monkeypatch, test_user, status_code, response_ok, is_findable, text
+    mongo_function, monkeypatch, user1, status_code, response_ok, is_findable, text
 ):
     if config.datacite.enabled:
 
@@ -63,7 +63,7 @@ def test_datacite_requests(
             mock_response.text = text
             return mock_response
 
-        doi = DOI.create('the_title', test_user)
+        doi = DOI.create('the_title', user1)
 
         monkeypatch.setattr(
             doi.create_draft.__globals__['requests'], 'post', mock_datacite_request
diff --git a/tests/test_infrastructure.py b/tests/test_infrastructure.py
index 17b49bb70998f404ef9eef1c3062553958620aa7..213a6c93c20c91bf077f0191ca896de7fafdb25b 100644
--- a/tests/test_infrastructure.py
+++ b/tests/test_infrastructure.py
@@ -19,7 +19,7 @@
 import pytest
 
 from nomad.infrastructure import UserManagement
-from tests.fixtures.users import test_user_uuid as create_test_user_uuid
+from tests.fixtures.users import fake_user_uuid
 
 
 @pytest.fixture(scope='function')
@@ -46,7 +46,7 @@ def test_search_user(user_management: UserManagement, query, count):
     [
         pytest.param('username', 'scooper', id='username'),
         pytest.param('email', 'sheldon.cooper@nomad-coe.eu', id='email'),
-        pytest.param('user_id', create_test_user_uuid(1), id='user_id'),
+        pytest.param('user_id', fake_user_uuid(1), id='user_id'),
     ],
 )
 def test_get_user(user_management: UserManagement, key, value):
diff --git a/tests/test_search.py b/tests/test_search.py
index 19d28243f4136b60bbc1e299ca308cbcb313e292..ed59ddeb08f0622b8b3cf79793bfedda07c29232 100644
--- a/tests/test_search.py
+++ b/tests/test_search.py
@@ -51,9 +51,6 @@ from nomad.utils.exampledata import ExampleData
 from tests.config import yaml_schema_name, python_schema_name
 
 
-other_groups = ['other_owner_group', 'mixed_group']
-
-
 def split(path):
     return [int(x) if x.isdigit() else x for x in path.split('.')]
 
@@ -167,8 +164,8 @@ def get_schema_quantity(type, quantity):
 
 
 @pytest.fixture()
-def example_data(elastic_function, test_user):
-    data = ExampleData(main_author=test_user)
+def example_data(elastic_function, user1):
+    data = ExampleData(main_author=user1)
     data.create_upload(upload_id='test_upload_id', published=True, embargo_length=12)
     for i in range(0, 4):
         data.create_entry(
@@ -182,20 +179,20 @@ def example_data(elastic_function, test_user):
 
 @pytest.fixture(scope='class')
 def example_group_data(
-    elastic_module, user_groups_module, test_user, other_test_user, fill_group_data
+    elastic_module, user_groups_module, user1, user2, fill_group_data
 ):
-    data = ExampleData(main_author=test_user)
+    data = ExampleData(main_author=user1)
     fill_group_data(data, 'no_embargo', [], [], embargo_length=0)
     fill_group_data(data, 'with_embargo', [], [], embargo_length=3)
     fill_group_data(data, 'no_group', [], [])
-    fill_group_data(data, 'coauthor_user', ['user_owner_group'], [])
-    fill_group_data(data, 'reviewer_user', [], ['user_owner_group'])
-    fill_group_data(data, 'coauthor_other', ['other_owner_group'], [])
-    fill_group_data(data, 'reviewer_other', [], ['other_owner_group'])
-    fill_group_data(data, 'coauthor_mixed', ['mixed_group'], [])
-    fill_group_data(data, 'reviewer_mixed', [], ['mixed_group'])
+    fill_group_data(data, 'coauthor_group1', ['group1'], [])
+    fill_group_data(data, 'reviewer_group1', [], ['group1'])
+    fill_group_data(data, 'coauthor_group2', ['group2'], [])
+    fill_group_data(data, 'reviewer_group2', [], ['group2'])
+    fill_group_data(data, 'coauthor_group012', ['group012'], [])
+    fill_group_data(data, 'reviewer_group012', [], ['group012'])
     fill_group_data(data, 'reviewer_all', [], ['all'])
-    fill_group_data(data, 'other_user', [], [], main_author=other_test_user)
+    fill_group_data(data, 'user2', [], [], main_author=user2)
     data.save(with_files=False, with_mongo=False)
 
     yield data
@@ -204,8 +201,8 @@ def example_group_data(
 
 
 @pytest.fixture()
-def example_text_search_data(mongo_module, elastic_function, test_user):
-    data = ExampleData(main_author=test_user)
+def example_text_search_data(mongo_module, elastic_function, user1):
+    data = ExampleData(main_author=user1)
     data.create_upload(upload_id='test_upload_text_search', published=True)
     data.create_entry(
         upload_id='test_upload_text_search',
@@ -221,7 +218,7 @@ def example_text_search_data(mongo_module, elastic_function, test_user):
 
 
 @pytest.fixture()
-def example_eln_data(elastic_function, test_user):
+def example_eln_data(elastic_function, user1):
     class DataSection(EntryData):
         text = Quantity(type=str)
         keyword = Quantity(type=MEnum('one', 'two'))
@@ -230,7 +227,7 @@ def example_eln_data(elastic_function, test_user):
         date = Quantity(type=Datetime)
         boolean = Quantity(type=bool)
 
-    data = ExampleData(main_author=test_user)
+    data = ExampleData(main_author=user1)
     data.create_upload(upload_id='test_upload_id', published=True, embargo_length=12)
 
     parameters = [
@@ -338,37 +335,37 @@ class TestsWithGroups:
         'owner, user, exc_or_total',
         [
             pytest.param('admin', None, ARE, id='admin-none'),
-            pytest.param('admin', 'test_user', ARE, id='admin-user'),
-            pytest.param('admin', 'admin_user', 11, id='admin-admin'),
+            pytest.param('admin', 'user1', ARE, id='admin-user1'),
+            pytest.param('admin', 'user0', 11, id='admin-user0'),
             pytest.param('user', None, ARE, id='user-none'),
-            pytest.param('user', 'test_user', 10, id='user-user'),
-            pytest.param('user', 'other_test_user', 1, id='user-other'),
+            pytest.param('user', 'user1', 10, id='user-user1'),
+            pytest.param('user', 'user2', 1, id='user-user2'),
             pytest.param('shared', None, ARE, id='shared-none'),
-            pytest.param('shared', 'test_user', 10, id='shared-user'),
-            pytest.param('shared', 'other_test_user', 6, id='shared'),
+            pytest.param('shared', 'user1', 10, id='shared-user1'),
+            pytest.param('shared', 'user2', 6, id='shared'),
             pytest.param('staging', None, ARE, id='staging-none'),
-            pytest.param('staging', 'test_user', 8, id='staging-user'),
-            pytest.param('staging', 'other_test_user', 6, id='staging-other'),
+            pytest.param('staging', 'user1', 8, id='staging-user1'),
+            pytest.param('staging', 'user2', 6, id='staging-user2'),
             pytest.param('visible', None, 2, id='visible-none'),
-            pytest.param('visible', 'test_user', 10, id='visible-user'),
-            pytest.param('visible', 'other_test_user', 7, id='visible-other'),
+            pytest.param('visible', 'user1', 10, id='visible-user1'),
+            pytest.param('visible', 'user2', 7, id='visible-user2'),
             pytest.param('public', None, 1, id='public-none'),
-            pytest.param('public', 'test_user', 1, id='public-user'),
-            pytest.param('public', 'other_test_user', 1, id='public-other'),
+            pytest.param('public', 'user1', 1, id='public-user1'),
+            pytest.param('public', 'user2', 1, id='public-user2'),
             pytest.param('all', None, 3, id='all-none'),
-            pytest.param('all', 'test_user', 10, id='all-user'),
-            pytest.param('all', 'other_test_user', 8, id='all-other'),
+            pytest.param('all', 'user1', 10, id='all-user1'),
+            pytest.param('all', 'user2', 8, id='all-user2'),
         ],
     )
     def test_search_query_group(
         self,
-        test_users_dict,
+        users_dict,
         example_group_data,
         owner,
         user,
         exc_or_total,
     ):
-        user = test_users_dict.get(user)
+        user = users_dict.get(user)
         user_id = user.user_id if user is not None else None
 
         if not isinstance(exc_or_total, int):
diff --git a/tests/utils.py b/tests/utils.py
index 59fb508b063d37065326456166f8d73a176aa72a..64923eea83dc33a865f4d3353b70a0b5cef8a405 100644
--- a/tests/utils.py
+++ b/tests/utils.py
@@ -159,10 +159,10 @@ def create_template_upload_file(
     return upload_path
 
 
-def test_user_uuid(handle):
+def fake_user_uuid(handle):
     return '00000000-0000-0000-0000-00000000000%d' % handle
 
 
-def test_user_group_uuid(handle: Any):
+def fake_group_uuid(handle: Any):
     """Returns a test user group uuid based on the handle."""
     return str(handle).rjust(22, 'G')