Stop using 4 processors in test

Author: mikaem

tests/runtests.sh

@@ -25,9 +25,9 @@ if [ $PY -eq 3 ]; then
     # mpiexec -n 12 python -m coverage test_mpifft.py
     mpiexec -n 2 python -m coverage run spectral_dns_solver.py
     mpiexec -n 2 python -m coverage run -m test_io
-    mpiexec -n 4 python -m coverage run -m test_io
+    #mpiexec -n 4 python -m coverage run -m test_io
     mpiexec -n 2 python -m coverage run -m test_darray
-    mpiexec -n 4 python -m coverage run -m test_darray
+    #mpiexec -n 4 python -m coverage run -m test_darray
 
     python -m coverage combine
 

tests/test_io.py

@@ -168,7 +168,6 @@ def test_4D(backend, forward_output):
         import netCDF4
     except ImportError:
         skip['netcdf4'] = True
-    skip['hdf5'] = True
     for bnd in ('hdf5', 'netcdf4'):
         if not skip[bnd]:
             forw_output = [False]