[GitHub] flink issue #4896: [FLINK-7909] Unify Flink test bases

[tillrohrmann]

Github user tillrohrmann commented on the issue:

    https://github.com/apache/flink/pull/4896
  
    Thanks for your review @GJL. I've addressed all your comments. I rebased 
this PR onto #4890. Once Travis gives green light, I'll merge it.


---