Applied some fixes to accomplish mpi tests.

5 jobs for master in 12 minutes and 12 seconds
Status Job ID Name Coverage
  Test
passed #202608
test_min

00:03:07

passed #202609
test_mpi

00:04:33

passed #202610
test_mpi_fftw

00:04:53

passed #202611
test_mpi_fftw_hdf5

00:06:16

66.0%
 
  Release
passed #202612
release_image_master

00:05:56