[GitHub] flink issue #5649: [FLINK-8873] [DataStream API] [Tests] move unit tests of ...

[dawidwys]

Github user dawidwys commented on the issue:

    https://github.com/apache/flink/pull/5649
  
    @bowenli86 What's your opinion? If you are ok with not merging it, could 
you close this PR?


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