SignalEventConcurrencyTest is unstable

[2022-07-26T09:35:57.063Z] [INFO] Running org.camunda.bpm.engine.test.bpmn.event.signal.SignalEventConcurrencyTest
[2022-07-26T09:36:00.358Z] [ERROR] Tests run: 1, Failures: 1, Errors: 0, Skipped: 0, Time elapsed: 3.09 s <<< FAILURE! - in org.camunda.bpm.engine.test.bpmn.event.signal.SignalEventConcurrencyTest
[2022-07-26T09:36:00.358Z] [ERROR] testSignalWithCompletedExecution(org.camunda.bpm.engine.test.bpmn.event.signal.SignalEventConcurrencyTest)  Time elapsed: 0.071 s  <<< FAILURE!
[2022-07-26T09:36:00.358Z] java.lang.AssertionError
[2022-07-26T09:36:00.358Z] 	at org.junit.Assert.fail(Assert.java:87)
[2022-07-26T09:36:00.358Z] 	at org.junit.Assert.fail(Assert.java:96)
[2022-07-26T09:36:00.358Z] 	at org.camunda.bpm.engine.test.concurrency.ConcurrencyTestHelper$ThreadControl.makeContinue(ConcurrencyTestHelper.java:190)
[2022-07-26T09:36:00.358Z] 	at org.camunda.bpm.engine.test.concurrency.ConcurrencyTestHelper$ThreadControl.waitUntilDone(ConcurrencyTestHelper.java:146)
[2022-07-26T09:36:00.358Z] 	at org.camunda.bpm.engine.test.bpmn.event.signal.SignalEventConcurrencyTest.testSignalWithCompletedExecution(SignalEventConcurrencyTest.java:115)
[2022-07-26T09:36:00.358Z] 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
[2022-07-26T09:36:00.358Z] 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
[2022-07-26T09:36:00.358Z] 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
[2022-07-26T09:36:00.358Z] 	at java.lang.reflect.Method.invoke(Method.java:498)
[2022-07-26T09:36:00.358Z] 	at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:59)
[2022-07-26T09:36:00.358Z] 	at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
[2022-07-26T09:36:00.358Z] 	at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:56)
[2022-07-26T09:36:00.358Z] 	at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
[2022-07-26T09:36:00.358Z] 	at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:26)
[2022-07-26T09:36:00.358Z] 	at org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:27)
[2022-07-26T09:36:00.358Z] 	at org.junit.rules.TestWatcher$1.evaluate(TestWatcher.java:61)
[2022-07-26T09:36:00.358Z] 	at org.junit.rules.TestWatcher$1.evaluate(TestWatcher.java:61)
[2022-07-26T09:36:00.358Z] 	at org.camunda.bpm.engine.test.ProcessEngineRule$1.evaluate(ProcessEngineRule.java:185)
[2022-07-26T09:36:00.358Z] 	at org.junit.rules.RunRules.evaluate(RunRules.java:20)
[2022-07-26T09:36:00.358Z] 	at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306)
[2022-07-26T09:36:00.358Z] 	at org.junit.runners.BlockJUnit4ClassRunner$1.evaluate(BlockJUnit4ClassRunner.java:100)
[2022-07-26T09:36:00.358Z] 	at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:366)
[2022-07-26T09:36:00.358Z] 	at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:103)
[2022-07-26T09:36:00.358Z] 	at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:63)
[2022-07-26T09:36:00.358Z] 	at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331)
[2022-07-26T09:36:00.358Z] 	at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79)
[2022-07-26T09:36:00.358Z] 	at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329)
[2022-07-26T09:36:00.358Z] 	at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66)
[2022-07-26T09:36:00.358Z] 	at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293)
[2022-07-26T09:36:00.358Z] 	at org.junit.rules.TestWatcher$1.evaluate(TestWatcher.java:61)
[2022-07-26T09:36:00.358Z] 	at org.junit.rules.RunRules.evaluate(RunRules.java:20)
[2022-07-26T09:36:00.358Z] 	at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306)
[2022-07-26T09:36:00.358Z] 	at org.junit.runners.ParentRunner.run(ParentRunner.java:413)
[2022-07-26T09:36:00.358Z] 	at org.apache.maven.surefire.junit4.JUnit4Provider.execute(JUnit4Provider.java:365)
[2022-07-26T09:36:00.358Z] 	at org.apache.maven.surefire.junit4.JUnit4Provider.executeWithRerun(JUnit4Provider.java:273)
[2022-07-26T09:36:00.359Z] 	at org.apache.maven.surefire.junit4.JUnit4Provider.executeTestSet(JUnit4Provider.java:238)
[2022-07-26T09:36:00.359Z] 	at org.apache.maven.surefire.junit4.JUnit4Provider.invoke(JUnit4Provider.java:159)
[2022-07-26T09:36:00.359Z] 	at org.apache.maven.surefire.booter.ForkedBooter.invokeProviderInSameClassLoader(ForkedBooter.java:384)
[2022-07-26T09:36:00.359Z] 	at org.apache.maven.surefire.booter.ForkedBooter.runSuitesInProcess(ForkedBooter.java:345)
[2022-07-26T09:36:00.359Z] 	at org.apache.maven.surefire.booter.ForkedBooter.execute(ForkedBooter.java:126)
[2022-07-26T09:36:00.359Z] 	at org.apache.maven.surefire.booter.ForkedBooter.main(ForkedBooter.java:418)