String instanceName = "localhost_" + (12918 + i);
participants
.put(instanceName, new MockParticipantManager(ZK_ADDR, clusterName, instanceName));
customCodeRunners.put(instanceName, new HelixCustomCodeRunner(participants.get(instanceName),
ZK_ADDR));
callbacks.put(instanceName, new DummyCallback());
customCodeRunners.get(instanceName).invoke(callbacks.get(instanceName))
.on(ChangeType.LIVE_INSTANCE).usingLeaderStandbyModel("TestParticLeader").start();