Github user alopresto commented on the issue: https://github.com/apache/nifi/pull/999 @pvillard31 and @mosermw , thanks for noting that. When I re-ran locally, I encountered the same issue. I have resolved it, but not to my complete satisfaction. The test now accepts that _n_ flowfiles were routed to `REL_SUCCESS` instead of _1_ explicitly. As the tests are simply concerned with the TLS protocol version used for the communication, this seems a sufficient fix. However, I am confused, because it appears from the logs and debugging that the test runner "finds" a mock flowfile in the queue even if I assert immediately before enqueuing any message that the queue is empty. I'll continue investigating, but I did want to push this fix so at least the tests pass for anyone reviewing it.
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