Github user zentol commented on the issue:
https://github.com/apache/flink/pull/5547
I would ask you to stop working on this issue.
You do not know what changes are required to properly port these tests.
Adding a `MiniClusterResource` (or extend `AbstractTestBase`) is unfortunately
not enough for the tests that are not covered by #5535 and #5542.
The remaining tests are really difficult to port as they *heavily* rely on
internal API's. You see all that code in `verifyResults()`? All of that must be
rewritten to rely on a (new!) abstraction that works for both legacy and Flip-6
clusters.
I appreciate you trying to contribute, but this issue is beyond your
capabilities.
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