more tweaks

4 jobs for line_search in 7 minutes and 33 seconds
Status Job ID Name Coverage
  Test
passed #203561
test_min

00:03:05

passed #203562
test_mpi

00:05:00

passed #203563
test_mpi_fftw

00:05:40

passed #203564
test_mpi_fftw_hdf5

00:07:33

65.0%