Flaky-test: ProxyPublishConsumeWithoutZKTest.socketTest

### Search before asking

- [X] I searched in the [issues](https://github.com/apache/pulsar/issues) and found nothing similar.

### Example failure

https://github.com/apache/pulsar/actions/runs/3374860995/jobs/5601165093#step:10:492

### Exception stacktrace

Full exception stacktrace

Error:  socketTest(org.apache.pulsar.websocket.proxy.ProxyPublishConsumeWithoutZKTest)  Time elapsed: 30.029 s  <<< FAILURE!

  org.testng.internal.thread.ThreadTimeoutException: Method org.apache.pulsar.websocket.proxy.ProxyPublishConsumeWithoutZKTest.socketTest() didn't finish within the time-out 30000

  	at org.testng.internal.MethodInvocationHelper.invokeWithTimeoutWithNewExecutor(MethodInvocationHelper.java:371)

  	at org.testng.internal.MethodInvocationHelper.invokeWithTimeout(MethodInvocationHelper.java:282)

  	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:605)

  	at org.testng.internal.TestInvoker.retryFailed(TestInvoker.java:214)

  	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:58)

  	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:822)

  	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:147)

  	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)

  	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)

  	at java.base/java.util.ArrayList.forEach(ArrayList.java:1511)

  	at org.testng.TestRunner.privateRun(TestRunner.java:764)

  	at org.testng.TestRunner.run(TestRunner.java:585)

  	at org.testng.SuiteRunner.runTest(SuiteRunner.java:384)

  	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:378)

  	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:337)

  	at org.testng.SuiteRunner.run(SuiteRunner.java:286)

  	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)

  	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)

  	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1218)

  	at org.testng.TestNG.runSuitesLocally(TestNG.java:1140)

  	at org.testng.TestNG.runSuites(TestNG.java:1069)

  	at org.testng.TestNG.run(TestNG.java:1037)

  	at org.apache.maven.surefire.testng.TestNGExecutor.run(TestNGExecutor.java:135)

  	at org.apache.maven.surefire.testng.TestNGDirectoryTestSuite.executeSingleClass(TestNGDirectoryTestSuite.java:112)

  	at org.apache.maven.surefire.testng.TestNGDirectoryTestSuite.executeLazy(TestNGDirectoryTestSuite.java:123)

  	at org.apache.maven.surefire.testng.TestNGDirectoryTestSuite.execute(TestNGDirectoryTestSuite.java:90)

  	at org.apache.maven.surefire.testng.TestNGProvider.invoke(TestNGProvider.java:146)

  	at org.apache.maven.surefire.booter.ForkedBooter.invokeProviderInSameClassLoader(ForkedBooter.java:384)

  	at org.apache.maven.surefire.booter.ForkedBooter.runSuitesInProcess(ForkedBooter.java:345)

  	at org.apache.maven.surefire.booter.ForkedBooter.execute(ForkedBooter.java:126)

  	at org.apache.maven.surefire.booter.ForkedBooter.main(ForkedBooter.java:418)

### Are you willing to submit a PR?

- [ ] I'm willing to submit a PR!