[GitHub] flink issue #6376: [FLINK-9902][tests] Improve and refactor window checkpoin...

[StefanRRichter]

Github user StefanRRichter commented on the issue:

    https://github.com/apache/flink/pull/6376
  
    Thanks for the fast review @aljoscha . Addressed the comment about the 
`while`-loop and will merge now.


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