Assert.assertEquals(message.getTgtName(), "localhost_0");
// round2: drop resource, but keep the
// message, make sure controller should not send O->DROPPEDN until O->S is done
HelixAdmin admin = new ZKHelixAdmin(_gZkClient);
admin.dropResource(clusterName, resourceName);
runPipeline(event, dataRefresh);
runPipeline(event, rebalancePipeline);
msgSelOutput = event.getAttribute(AttributeName.MESSAGES_SELECTED.toString());
messages = msgSelOutput.getMessages(resourceName, new Partition(resourceName + "_0"));