Adjust test to work with current changes

The test failed because SIS was too large

tests/exec_test/reparam_gen_proj/sisso.json

 {
     "desc_dim": 2,
-    "n_sis_select": 21,
+    "n_sis_select": 10,
     "max_rung": 1,
     "n_residual": 5,
     "data_file": "data.csv",
@@ -10,7 +10,7 @@
     "n_models_store": 5,
     "n_rung_generate": 1,
     "leave_out_inds": [],
-    "opset": ["sq"],
+    "opset": ["sq", "cb"],
     "param_opset": [
         "add",
         "sub",