org.junit.runners.model.TestTimedOutException: test timed out after 40000 milliseconds at java.base@11.0.8/jdk.internal.misc.Unsafe.park(Native Method) at java.base@11.0.8/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:234) at java.base@11.0.8/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2123) at java.base@11.0.8/java.util.concurrent.LinkedBlockingQueue.poll(LinkedBlockingQueue.java:458) at app//dslab.StreamListener.poll(StreamListener.java:34) at app//dslab.JunitSocketClient.read(JunitSocketClient.java:82) at app//dslab.JunitSocketClient.sendAndRead(JunitSocketClient.java:108) at app//dslab.JunitSocketClient.sendAndVerify(JunitSocketClient.java:103) at app//dslab.client.MessageClientMailboxTest.inbox_mulipleMails_showsAllInboxDataCorrectly(MessageClientMailboxTest.java:121) at java.base@11.0.8/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base@11.0.8/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base@11.0.8/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base@11.0.8/java.lang.reflect.Method.invoke(Method.java:566) at app//org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50) at app//org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12) at app//org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47) at app//org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17) at app//org.junit.internal.runners.statements.FailOnTimeout$CallableStatement.call(FailOnTimeout.java:298) at app//org.junit.internal.runners.statements.FailOnTimeout$CallableStatement.call(FailOnTimeout.java:292) at java.base@11.0.8/java.util.concurrent.FutureTask.run(FutureTask.java:264) at java.base@11.0.8/java.lang.Thread.run(Thread.java:834) org.junit.runners.model.TestTimedOutException: test timed out after 20000 milliseconds at java.base@11.0.8/jdk.internal.misc.Unsafe.park(Native Method) at java.base@11.0.8/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:234) at java.base@11.0.8/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2123) at java.base@11.0.8/java.util.concurrent.LinkedBlockingQueue.poll(LinkedBlockingQueue.java:458) at app//dslab.StreamListener.poll(StreamListener.java:34) at app//dslab.JunitSocketClient.read(JunitSocketClient.java:82) at app//dslab.JunitSocketClient.sendAndRead(JunitSocketClient.java:108) at app//dslab.JunitSocketClient.sendAndVerify(JunitSocketClient.java:103) at app//dslab.client.MessageClientMailboxTest.inbox_singleMail_showsAllInboxDataCorrectly(MessageClientMailboxTest.java:92) at java.base@11.0.8/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base@11.0.8/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base@11.0.8/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base@11.0.8/java.lang.reflect.Method.invoke(Method.java:566) at app//org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50) at app//org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12) at app//org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47) at app//org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17) at app//org.junit.internal.runners.statements.FailOnTimeout$CallableStatement.call(FailOnTimeout.java:298) at app//org.junit.internal.runners.statements.FailOnTimeout$CallableStatement.call(FailOnTimeout.java:292) at java.base@11.0.8/java.util.concurrent.FutureTask.run(FutureTask.java:264) at java.base@11.0.8/java.lang.Thread.run(Thread.java:834)