assertFalse(cm.containsRemotingSession("sessionid5"));
cm.handleClientFailure("sessionid4");
assertNull(cm.unregisterConnection("jvm2", "sessionid4"));
ConnectionEndpoint r3 = cm.unregisterConnection("jvm2", "sessionid3");
assertEquals(e3, r3);
assertFalse(e3.isClosed());
assertFalse(cm.containsRemotingSession("sessionid4"));
assertFalse(cm.containsRemotingSession("sessionid3"));