changed number of mpiranks in tests 5 -> 4.

4 jobs for mpitests in 7 minutes and 46 seconds (queued for 1 second)
Status Job ID Name Coverage
  Test
passed #209447
test_min

00:03:05

passed #209448
test_mpi

00:04:28

passed #209449
test_mpi_fftw

00:05:07

failed #209450
test_mpi_fftw_hdf5

00:07:45

 
Name Stage Failure
failed
test_mpi_fftw_hdf5 Test There is an unknown failure, please try again
No job log