Github user StephanEwen commented on the pull request: https://github.com/apache/flink/pull/937#issuecomment-125539636 I think it is fine to have a set of heavy tests, this is a core and crucial feature. It may very well be that these variants are eventually implemented differently under the hood (especially partitioned state). So far, this feature is far from overtested. The fact that the checks after the re-partitioning are disabled is, in fact, a problem. Let me re-add a pure `Checkpointed` variant of this test, with enabled checks after the repartitioning.
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