venkatamandavilli-code commented on issue #68628:
URL: https://github.com/apache/airflow/issues/68628#issuecomment-4724826184

   Thanks for reporting this.
   
   This looks like a flaky timing-related failure rather than something 
specific to the linked PR, especially since the same test is also failing on 
main with a `TimeoutError`.
   
   Since the timeout occurs in 
`test_ack_mode_queue_full_during_fanout_does_not_break_iteration`, it may be 
worth checking whether the test is relying on timing assumptions that are too 
tight for CI environments. The `asyncio.wait_for(..., timeout=2.0)` timeout may 
not be sufficient under slower or loaded CI runners, especially if queue 
backpressure or fanout scheduling is involved.
   
   It may also be useful to confirm whether the collector coroutine can get 
blocked waiting for an item that is never yielded after the queue-full 
condition is triggered.
   
   This seems important to stabilize because it can block unrelated PRs when 
the full core test suite runs.
   


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