Github user aljoscha commented on a diff in the pull request:
https://github.com/apache/flink/pull/4496#discussion_r131845049
--- Diff:
flink-streaming-java/src/test/java/org/apache/flink/streaming/runtime/operators/StreamOperatorChainingTest.java
---
@@ -324,4 +327,18 @@ public void invoke(String value) throws Exception {
return mockTask;
}
+ @Test
--- End diff --
It's excellent that you added a test! I think, however, that this should go
into a new file `StreamOperatorChainingITCase` because it is an integration
test and not a unit test (it runs a whole Flink pipeline instead of testing an
isolated component).
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