checkPoint.awaitStrict("pre_topology_installed_invoked_" + c1, 10, TimeUnit.SECONDS);
checkPoint.awaitStrict("pre_topology_installed_invoked_" + c2, 10, TimeUnit.SECONDS);
assertNull(c1.put(key, newValue));
checkPoint.triggerForever("post_topology_installed_released_" + c3);
checkPoint.triggerForever("pre_topology_installed_released_" + c1);
checkPoint.triggerForever("pre_topology_installed_released_" + c2);
join.get(10, TimeUnit.SECONDS);