Remove device syncs in test

psrdada_cpp/effelsberg/edd/test/src/DetectorAccumulatorTester.cu

@@ -139,8 +139,6 @@ TEST_P(detect_and_accumulate32bit, no_stride)
             params.naccumulate,
             1, 0., 1, 0);
 
-    cudaDeviceSynchronize();
-
     thrust::host_vector<float> output_host = output;
 
     for (size_t i =0; i < output.size(); i++)
@@ -173,8 +171,6 @@ TEST_P(detect_and_accumulate32bit, w_stride)
             params.naccumulate,
             1, 0., 2, 0);
 
-    cudaDeviceSynchronize();
-
     thrust::host_vector<float> output_host = output;
 
     for (size_t i =0; i < params.nchan * params.nspectra; i++)