Flaky-test: PrometheusMetricsTest.testBrokerConnection

[coderzc]

Search before asking

• I searched in the issues and found nothing similar.

Example failure

https://github.com/coderzc/pulsar/actions/runs/3494482969/jobs/5850297404#step:8:1932

Exception stacktrace

Full exception stacktrace

    Error:  testBrokerConnection(org.apache.pulsar.broker.stats.PrometheusMetricsTest)  Time elapsed: 0.207 s  <<< FAILURE!
  java.lang.AssertionError: expected [1.0] but found [2.0]
  	at org.testng.Assert.fail(Assert.java:99)
  	at org.testng.Assert.failNotEquals(Assert.java:1037)
  	at org.testng.Assert.assertEquals(Assert.java:701)
  	at org.testng.Assert.assertEquals(Assert.java:712)
  	at org.apache.pulsar.broker.stats.PrometheusMetricsTest.compareBrokerConnectionStateCount(PrometheusMetricsTest.java:1381)
  	at org.apache.pulsar.broker.stats.PrometheusMetricsTest.testBrokerConnection(PrometheusMetricsTest.java:1321)
  	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!