original.setResponseId(30);
original.addApplicationToCleanup(getApplicationId(1));
original.addApplicationToCleanup(getApplicationId(2));
original.addAllContainersToCleanup(Arrays.asList(getContainerId(0, 0),
getContainerId(1, 1), getContainerId(2, 2)));
original.addContainerToCleanup( getContainerId(3, 3));
assertEquals(2, original.getApplicationsToCleanupCount());
assertEquals(2, original.getContainerToCleanup(2).getId());
HeartbeatResponsePBImpl middle = new HeartbeatResponsePBImpl(