@Override
                    public void onResponse(Object result) {
                        logger.warn("Result received in callback: " + result);
                        rets.add((String) result);
                        latch.countDown();
                    }
test custom serializer codec

@author tsui
@version $Id: CustomSerializerCodecTest.java, v 0.1 2017-03-13 17:14 tsui Exp $
src/test/java/com/alipay/remoting/rpc/serializer/CustomSerializerCodecTest.java