[GitHub] [spark] warrenzhu25 commented on pull request #38852: [SPARK-41341][CORE] Wait shuffle fetch to finish when decommission executor

["warrenzhu25 (via GitHub)" <gi...@apache.org>]

warrenzhu25 commented on PR #38852:
URL: https://github.com/apache/spark/pull/38852#issuecomment-1627596678

   > Just following up @warrenzhu25 do you have the time to add a unit test?
   
   Thanks for looking at this. Any ideas where I should add UT to cover which case? The change about `BlockManager` and `BlockTransferService` is pretty straightforward, the only place might need UT is in `CoarseGrainedExecutorBackend`, but  it seems hard to mock `BlockManager` there.


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