"testMasterAddressManagerFromZK", null);
ZKUtil.createAndFailSilent(zk, zk.baseZNode);
// Should not have a master yet
MasterAddressTracker addressManager = new MasterAddressTracker(zk, null);
addressManager.start();
assertFalse(addressManager.hasMaster());
zk.registerListener(addressManager);
// Use a listener to capture when the node is actually created
NodeCreationListener listener = new NodeCreationListener(zk, zk.masterAddressZNode);