Github user tzulitai commented on the issue:
https://github.com/apache/flink/pull/4321
@pnowojski we can't just drop that test, IMO. It's crucial that those tests
exist to guard against incorrect reassignment logic in the
`KafkaConsumerThread`. Breaking that would mess up the shutdown responsiveness
of the consumer thread.
I'm not sure why your current fix would be bad, though. Or why do you want
it to be removed?
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