TestZKCallback test = new TestZKCallback();
TestZKCallback.TestCallbackListener testListener = test.new TestCallbackListener();
testHelixManager.addMessageListener(testListener, "localhost_8900");
testHelixManager.addCurrentStateChangeListener(testListener, "localhost_8900",
testHelixManager.getSessionId());
testHelixManager.addConfigChangeListener(testListener);
testHelixManager.addIdealStateChangeListener(testListener);
testHelixManager.addExternalViewChangeListener(testListener);