org.infinispan.distribution.rehash.NonTxPutIfAbsentDuringLeaveStressTest.testNodeLeavingDuringPutIfAbsent fails randomly on RHEL

java.util.concurrent.ExecutionException: java.lang.AssertionError: expected:<value_87_3> but was:<null>
	at java.util.concurrent.FutureTask.report(FutureTask.java:122)
	at java.util.concurrent.FutureTask.get(FutureTask.java:206)
	at org.infinispan.distribution.rehash.NonTxPutIfAbsentDuringLeaveStressTest.testNodeLeavingDuringPutIfAbsent(NonTxPutIfAbsentDuringLeaveStressTest.java:97)
	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)
Caused by: java.lang.AssertionError: expected:<value_87_3> but was:<null>
	at org.testng.AssertJUnit.fail(AssertJUnit.java:59)
	at org.testng.AssertJUnit.failNotEquals(AssertJUnit.java:364)
	at org.testng.AssertJUnit.assertEquals(AssertJUnit.java:80)
	at org.testng.AssertJUnit.assertEquals(AssertJUnit.java:88)
	at org.infinispan.distribution.rehash.NonTxPutIfAbsentDuringLeaveStressTest$1.doPut(NonTxPutIfAbsentDuringLeaveStressTest.java:82)
	at org.infinispan.distribution.rehash.NonTxPutIfAbsentDuringLeaveStressTest$1.call(NonTxPutIfAbsentDuringLeaveStressTest.java:66)
	at org.infinispan.test.AbstractInfinispanTest$LoggingCallable.call(AbstractInfinispanTest.java:478)
	... 4 more