Aug 24 22:32:06 [ERROR] Tests run: 3, Failures: 1, Errors: 0, Skipped: 0, Time elapsed: 1.421 s <<< FAILURE! - in org.apache.flink.streaming.runtime.operators.StreamTaskTimerTest
Aug 24 22:32:06 [ERROR] checkScheduledTimestamps Time elapsed: 1.372 s <<< FAILURE!
Aug 24 22:32:06 java.lang.AssertionError: expected:<1> but was:<0>
Aug 24 22:32:06 at org.junit.Assert.fail(Assert.java:89)
Aug 24 22:32:06 at org.apache.flink.streaming.runtime.operators.StreamTaskTimerTest.verifyNoException(StreamTaskTimerTest.java:166)
Aug 24 22:32:06 at org.apache.flink.streaming.runtime.operators.StreamTaskTimerTest.checkScheduledTimestamps(StreamTaskTimerTest.java:129)
Aug 24 22:32:06 at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
Aug 24 22:32:06 at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
Aug 24 22:32:06 at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
Aug 24 22:32:06 at java.base/java.lang.reflect.Method.invoke(Method.java:566)
Aug 24 22:32:06 at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:59)
Aug 24 22:32:06 at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
Aug 24 22:32:06 at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:56)
Aug 24 22:32:06 at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
Aug 24 22:32:06 at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:26)
Aug 24 22:32:06 at org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:27)
Aug 24 22:32:06 at org.junit.internal.runners.statements.FailOnTimeout$CallableStatement.call(FailOnTimeout.java:299)
Aug 24 22:32:06 at org.junit.internal.runners.statements.FailOnTimeout$CallableStatement.call(FailOnTimeout.java:293)
Aug 24 22:32:06 at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
Aug 24 22:32:06 at java.base/java.lang.Thread.run(Thread.java:829)