put tests in their correct location

4 jobs for byebye_cython in 6 minutes and 2 seconds
Status Name Job ID Coverage
  Test
passed test_min #164878

00:02:04

passed test_mpi #164879

00:03:20

passed test_mpi_fftw #164880

00:03:34

passed test_mpi_fftw_hdf5 #164881

00:06:02

50.0%