fixing parallel failure in comm indexer test
fixing parallel failure in comm indexer test

Build/Test Cases Summary
Enabled Packages: VRIPSS
Enabled all Forward Packages
0) MPI_DEBUG => passed: passed=64,notpassed=0 (50.20 min)
1) SERIAL_RELEASE => Test case SERIAL_RELEASE was not run! => Does not affect push readiness! (-1.00 min)

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