ISSUE-17225: Flaky-test: PersistentSubscriptionMessageDispatchStreamingDispatcherThrottlingTest.testMultiLevelDispatch

[sijie]

Original Issue: apache#17225

---

Search before asking

• I searched in the issues and found nothing similar.

Example failure

https://github.com/apache/pulsar/runs/7964439338?check_suite_focus=true

Exception stacktrace

  Error:  Tests run: 41, Failures: 1, Errors: 0, Skipped: 13, Time elapsed: 137.054 s <<< FAILURE! - in org.apache.pulsar.broker.service.persistent.PersistentSubscriptionMessageDispatchStreamingDispatcherThrottlingTest
  Error:  testMultiLevelDispatch(org.apache.pulsar.broker.service.persistent.PersistentSubscriptionMessageDispatchStreamingDispatcherThrottlingTest)  Time elapsed: 7.89 s  <<< FAILURE!
  java.lang.AssertionError: expected [true] but found [false]
  	at org.testng.Assert.fail(Assert.java:99)
  	at org.testng.Assert.failNotEquals(Assert.java:1037)
  	at org.testng.Assert.assertTrue(Assert.java:45)
  	at org.testng.Assert.assertTrue(Assert.java:55)
  	at org.apache.pulsar.client.api.SubscriptionMessageDispatchThrottlingTest.testDispatchRate(SubscriptionMessageDispatchThrottlingTest.java:392)
  	at org.apache.pulsar.client.api.SubscriptionMessageDispatchThrottlingTest.testMultiLevelDispatch(SubscriptionMessageDispatchThrottlingTest.java:421)
  	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
  	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
  	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
  	at java.base/java.lang.reflect.Method.invoke(Method.java:568)
  	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:132)
  	at org.testng.internal.InvokeMethodRunnable.runOne(InvokeMethodRunnable.java:45)
  	at org.testng.internal.InvokeMethodRunnable.call(InvokeMethodRunnable.java:73)
  	at org.testng.internal.InvokeMethodRunnable.call(InvokeMethodRunnable.java:11)
  	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)

Are you willing to submit a PR?

• I'm willing to submit a PR!