java.lang.AssertionError: null

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java.lang.AssertionError: null
at org.junit.Assert.fail(Assert.java:86)
at org.junit.Assert.assertTrue(Assert.java:41)
at org.junit.Assert.assertTrue(Assert.java:52)
at com.hazelcast.durableexecutor.DurableLongRunningTaskTest$1.run(DurableLongRunningTaskTest.java:46)
at com.hazelcast.test.HazelcastTestSupport.assertTrueEventually(HazelcastTestSupport.java:901)
at com.hazelcast.test.HazelcastTestSupport.assertTrueEventually(HazelcastTestSupport.java:915)
at com.hazelcast.durableexecutor.DurableLongRunningTaskTest.test(DurableLongRunningTaskTest.java:43)

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