zhijiangW commented on a change in pull request #12664:
URL: https://github.com/apache/flink/pull/12664#discussion_r440569953



##########
File path: 
flink-streaming-java/src/test/java/org/apache/flink/streaming/runtime/tasks/SubtaskCheckpointCoordinatorTest.java
##########
@@ -218,6 +230,67 @@ public void testNotifyCheckpointAbortedBeforeAsyncPhase() 
throws Exception {
                assertEquals(0, 
subtaskCheckpointCoordinator.getAsyncCheckpointRunnableSize());
        }
 
+       @Test
+       public void 
testDownstreamReceiveCancelCheckpointMarkerOnUpstreamAbortedInSyncPhase() 
throws Exception {
+               final OneInputStreamTaskTestHarness<String, String> testHarness 
=
+                       new OneInputStreamTaskTestHarness<>(
+                               OneInputStreamTask::new,
+                               1, 1,
+                               BasicTypeInfo.STRING_TYPE_INFO,
+                               BasicTypeInfo.STRING_TYPE_INFO);
+
+               testHarness.setupOutputForSingletonOperatorChain();
+               StreamConfig streamConfig = testHarness.getStreamConfig();
+               streamConfig.setStreamOperator(new MapOperator());
+
+               testHarness.invoke();
+               testHarness.waitForTaskRunning();
+
+               TestTaskStateManager stateManager = new TestTaskStateManager();
+               MockEnvironment mockEnvironment = 
MockEnvironment.builder().setTaskStateManager(stateManager).build();

Review comment:
       i guess we do not need to set `stateManager` for the environment




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