Github user mbalassi commented on the pull request:
https://github.com/apache/flink/pull/738#issuecomment-106225424
Thanks for the review. The test coverage is the following:
* The newly introduced `StreamExecutionEnvionmentTest` is for testing the
parallelism issues with the new API.
* The parallel versions in functionality are covered by the
`ComplexIntegrationTest`
* The underlying sources are actually the same for the parallel and
non-parallel cases they are just initiated with parallelism one, so I would
bother with adding specific test cases for that.
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