Github user StephanEwen commented on the issue:
https://github.com/apache/flink/pull/2681
Looks good to me. I think it would be good if @rmetzger also had a look.
Concerning the Table sink tests and the mocking of the producer: Do these
tests need a Kafka cluster running at all? They are just a think layer on top
of the producer, which should be covered with Unit tests and not need a Kafka
cluster.
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