IIOPTimeoutTestCase fails intermittently

java.lang.AssertionError: Synchronization after completion should be called expected:<1> but was:<0>
	at org.junit.Assert.fail(Assert.java:88)
	at org.junit.Assert.failNotEquals(Assert.java:834)
	at org.junit.Assert.assertEquals(Assert.java:645)
	at org.jboss.as.test.iiop.transaction.timeout.IIOPTimeoutTestCase.timeoutStateful(IIOPTimeoutTestCase.java:175)