private static <T> T deserializeGraph(byte[] bytes, Class<T> clz)
    {
        Schema<T> schema = RuntimeSchema.getSchema(clz);
        T obj = schema.newMessage();
        GraphIOUtil.mergeFrom(bytes, obj, schema);
        return obj;
    }
Test unknown fields encoded with {@link WireFormat#WIRETYPE_REFERENCE}.

@author David Yu
@created May 20, 2016
protostuff-runtime/src/test/java/io/protostuff/runtime/RuntimeGraphUnknownFieldTest.java