updated the mpi tag test so that it is not DTK specific
updated the mpi tag test so that it is not DTK specific

ORNL-CEES/DataTransferKit,Rombur/DataTransferKit,Rombur/DataTransferKit,dalg24/DataTransferKit,amccaskey/DataTransferKit,Rombur/DataTransferKit,ORNL-CEES/DataTransferKit,ORNL-CEES/DataTransferKit,ORNL-CEES/DataTransferKit,dalg24/DataTransferKit,amccaskey/DataTransferKit,andrsd/DataTransferKit,amccaskey/DataTransferKit,andrsd/DataTransferKit,dalg24/DataTransferKit,Rombur/DataTransferKit,dalg24/DataTransferKit,amccaskey/DataTransferKit