COMP: Update vtkFiltersParallelMPI tests

Updated tests in the vtkFiltersParallelMPI module to reflect changes in
VTK's test macros.

Change-Id: I81d3983a35f3fe2e49cb2b83f2771d2c92084ff2
Merge topic 'fix-parallel-mpi-tests' into master

843bd4d2 COMP: Update vtkFiltersParallelMPI tests