JobExecutorMetricsTest is unstable on CRDB

Stacktrace

java.lang.AssertionError
	at org.junit.Assert.fail(Assert.java:87)
	at org.junit.Assert.assertTrue(Assert.java:42)
	at org.junit.Assert.assertTrue(Assert.java:53)
	at org.camunda.bpm.engine.test.api.mgmt.metrics.JobExecutorMetricsTest.testJobExecutionMetricExclusiveFollowUp(JobExecutorMetricsTest.java:228)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:498)
	at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:59)
	at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
	at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:56)
	at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
	at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:26)
	at org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:27)
	at org.junit.rules.TestWatcher$1.evaluate(TestWatcher.java:61)
	at org.junit.rules.TestWatcher$1.evaluate(TestWatcher.java:61)
	at org.camunda.bpm.engine.test.ProcessEngineRule$1.evaluate(ProcessEngineRule.java:176)
	at org.junit.rules.RunRules.evaluate(RunRules.java:20)
	at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306)
	at org.junit.runners.BlockJUnit4ClassRunner$1.evaluate(BlockJUnit4ClassRunner.java:100)
	at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:366)
	at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:103)
	at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:63)
	at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331)
	at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79)
	at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329)
	at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66)
	at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293)
	at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306)
	at org.junit.runners.ParentRunner.run(ParentRunner.java:413)
	at org.apache.maven.surefire.junit4.JUnit4Provider.execute(JUnit4Provider.java:365)
	at org.apache.maven.surefire.junit4.JUnit4Provider.executeWithRerun(JUnit4Provider.java:273)
	at org.apache.maven.surefire.junit4.JUnit4Provider.executeTestSet(JUnit4Provider.java:238)
	at org.apache.maven.surefire.junit4.JUnit4Provider.invoke(JUnit4Provider.java:159)
	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)

Standard Ausgabe (STDOUT)

01:50:03.497 [main] DEBUG org.camunda.bpm.engine.test - annotation @Deployment creates deployment for JobExecutorMetricsTest.testJobExecutionMetricExclusiveFollowUp
01:50:03.654 [main] INFO  org.camunda.bpm.engine.jobexecutor - ENGINE-14014 Starting up the JobExecutor[org.camunda.bpm.engine.impl.jobexecutor.DefaultJobExecutor].
01:50:03.655 [JobExecutor[org.camunda.bpm.engine.impl.jobexecutor.DefaultJobExecutor]] INFO  org.camunda.bpm.engine.jobexecutor - ENGINE-14018 JobExecutor[org.camunda.bpm.engine.impl.jobexecutor.DefaultJobExecutor] starting to acquire jobs
01:50:04.659 [main] INFO  org.camunda.bpm.engine.jobexecutor - ENGINE-14015 Shutting down the JobExecutor[org.camunda.bpm.engine.impl.jobexecutor.DefaultJobExecutor]
01:50:04.659 [JobExecutor[org.camunda.bpm.engine.impl.jobexecutor.DefaultJobExecutor]] INFO  org.camunda.bpm.engine.jobexecutor - ENGINE-14020 JobExecutor[org.camunda.bpm.engine.impl.jobexecutor.DefaultJobExecutor] stopped job acquisition
01:50:04.670 [main] DEBUG org.camunda.bpm.engine.test - annotation @Deployment deletes deployment for JobExecutorMetricsTest.testJobExecutionMetricExclusiveFollowUp
01:50:04.994 [main] DEBUG org.camunda.bpm.engine.test - verifying that db is clean after test
01:50:05.105 [main] DEBUG org.camunda.bpm.engine.test - Deployment cache was clean.
01:50:05.106 [main] DEBUG org.camunda.bpm.engine.test - Database was clean.