Github user kl0u commented on a diff in the pull request: https://github.com/apache/flink/pull/3616#discussion_r108943194 --- Diff: flink-streaming-java/src/test/java/org/apache/flink/streaming/api/graph/StreamingJobGraphGeneratorTest.java --- @@ -50,6 +52,83 @@ @SuppressWarnings("serial") public class StreamingJobGraphGeneratorTest extends TestLogger { --- End diff -- I would suggest to add some tests (the same code as the existing ones) with invalid configurations and the expected exception.
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