Increased size of Field in fft test.

4 jobs for real_fft_really_integrated in 10 minutes and 39 seconds
Status Job ID Name Coverage
  Test
passed #246531
test_min

00:03:03

passed #246532
test_mpi

00:05:39

passed #246533
test_mpi_fftw

00:06:12

passed #246534
test_mpi_fftw_hdf5

00:10:38

64.0%