Github user aljoscha commented on the issue:
https://github.com/apache/flink/pull/3778
Thanks @zentol! I addressed your (easily resolvable) comments.
About unifying the functionality of the tests/ITCases, I was planning to to
that for the upcoming `*From13` tests but for the `*From11` and `*From12` it's
difficult because quite some stuff changed between 1.1 and 1.2 and I want the
code to mostly work on all branches. For example, this is the new `*From12`
tests rebased on the master branch:
https://github.com/aljoscha/flink/tree/jira-5969-backwards-compat-12-13. By
transplanting but keeping the snapshots that were generated on Flink 1.2.0 we
get backwards compatibility tests while the tests in this PR test compatibility
within Flink 1.2.x.
I'm hoping that for the future we can move to a base class and version
specific tests. I'll also think about how much is possible right now and try
and simplify/unify.
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