Add test for DTK_MARK_REGION() macro
Add test for DTK_MARK_REGION() macro

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