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swryan
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Aug 31, 2021
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It turns out we weren't setting the comm at the TestCase level properly in procs running under run_mpi. We didn't see it in our OpenMDAO tests because we don't use that comm. Tim Brooks was trying to use testflo with one of his MPI tests and his test actually tried to pass the TestCase's comm down into another code and it was just getting a fake comm.