// simulate three server fail sequentially
ReplicationZookeeper rz1 = new ReplicationZookeeper(s1, new AtomicBoolean(true));
SortedMap<String, SortedSet<String>> testMap =
rz1.copyQueuesFromRSUsingMulti(server.getServerName().getServerName());
ReplicationZookeeper rz2 = new ReplicationZookeeper(s2, new AtomicBoolean(true));
testMap = rz2.copyQueuesFromRSUsingMulti(s1.getServerName().getServerName());
ReplicationZookeeper rz3 = new ReplicationZookeeper(s3, new AtomicBoolean(true));
testMap = rz3.copyQueuesFromRSUsingMulti(s2.getServerName().getServerName());
ReplicationSource s = new ReplicationSource();
s.checkIfQueueRecovered(testMap.firstKey());