Github user GJL commented on a diff in the pull request: https://github.com/apache/flink/pull/5881#discussion_r183243246 --- Diff: flink-yarn/src/test/java/org/apache/flink/yarn/YarnResourceManagerTest.java --- @@ -388,4 +390,108 @@ public void testStopWorker() throws Exception { assertTrue(resourceManager.getNumberOfRegisteredTaskManagers().get() == 0); }}; } + + /** + * Tests the case that containers are killed before registering with ResourceManager successfully. + */ + @Test + public void testKillContainerBeforeTMRegisterSuccessfully() throws Exception { --- End diff -- I would drop this test because it is too complicated, uses internal hadoop APIs, and heavily relies on mocking. What do you think?
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