NonTxPrimaryOwnerLeavingTest.testPrimaryOwnerLeavingDuringPut fails

java.lang.AssertionError: 
    at org.testng.AssertJUnit.fail(AssertJUnit.java:59)
    at org.testng.AssertJUnit.assertTrue(AssertJUnit.java:24)
    at org.testng.AssertJUnit.assertNull(AssertJUnit.java:282)
    at org.testng.AssertJUnit.assertNull(AssertJUnit.java:274)
    at org.infinispan.distribution.rehash.NonTxPrimaryOwnerLeavingTest.doTest(NonTxPrimaryOwnerLeavingTest.java:114)
    at org.infinispan.distribution.rehash.NonTxPrimaryOwnerLeavingTest.testPrimaryOwnerLeavingDuringPut(NonTxPrimaryOwnerLeavingTest.java:51)
    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:497)
    at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:84)
    at org.testng.internal.Invoker.invokeMethod(Invoker.java:714)
    at org.testng.internal.Invoker.invokeTestMethod(Invoker.java:901)
    at org.testng.internal.Invoker.invokeTestMethods(Invoker.java:1231)
    at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:127)
    at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:111)
    at org.testng.TestRunner.privateRun(TestRunner.java:767)
    at org.testng.TestRunner.run(TestRunner.java:617)
    at org.testng.SuiteRunner.runTest(SuiteRunner.java:348)
    at org.testng.SuiteRunner.access$000(SuiteRunner.java:38)
    at org.testng.SuiteRunner$SuiteWorker.run(SuiteRunner.java:382)
    at org.testng.internal.thread.ThreadUtil$2.call(ThreadUtil.java:64)
    at java.util.concurrent.FutureTask.run(FutureTask.java:266)
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
    at java.lang.Thread.run(Thread.java:745)
------- Stdout: -------
[TestSuiteProgress] Test starting: org.infinispan.distribution.groups.GroupsDistAsyncFuncTest.testBasicDistribution
[TestSuiteProgress] Test starting: org.infinispan.distribution.rehash.TxNonL1StateTransferOverwriteTest.testStateTransferInBetweenPrepareCommitMultipleEntryWithPutIfAbsent
[TestSuiteProgress] Test starting: org.infinispan.distribution.groups.GroupsChFunctionalTest.testBasicDistribution
[TestSuiteProgress] Test starting: org.infinispan.distribution.rehash.NonTxPrimaryOwnerLeavingTest.testPrimaryOwnerLeavingDuringPut
[TestSuiteProgress] Test starting: org.infinispan.distribution.groups.TransactionalGetGroupKeysTest.testGetKeyInGroupWithConcurrentActivation
[TestSuiteProgress] Test failed: org.infinispan.distribution.rehash.NonTxPrimaryOwnerLeavingTest.testPrimaryOwnerLeavingDuringPut
07:06:52,685 ERROR (testng-NonTxPrimaryOwnerLeavingTest) [TestSuiteProgress] Test failed: org.infinispan.distribution.rehash.NonTxPrimaryOwnerLeavingTest.testPrimaryOwnerLeavingDuringPut
java.lang.AssertionError: 
    at org.testng.AssertJUnit.fail(AssertJUnit.java:59)
    at org.testng.AssertJUnit.assertTrue(AssertJUnit.java:24)
    at org.testng.AssertJUnit.assertNull(AssertJUnit.java:282)
    at org.testng.AssertJUnit.assertNull(AssertJUnit.java:274)
    at org.infinispan.distribution.rehash.NonTxPrimaryOwnerLeavingTest.doTest(NonTxPrimaryOwnerLeavingTest.java:114)
    at org.infinispan.distribution.rehash.NonTxPrimaryOwnerLeavingTest.testPrimaryOwnerLeavingDuringPut(NonTxPrimaryOwnerLeavingTest.java:51)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)[TestSuiteProgress] Tests succeeded: 129, failed: 1, skipped: 0