@Override
            public void writeTo(Output output, WrapperPojo message) throws IOException
            {
                if (message.requiresName != null)
                    output.writeObject(1, message.requiresName, RequiresName.SCHEMA, false);
            }
Testing for xml ser/deser against messages.

@author David Yu
@created May 24, 2010
protostuff-xml/src/test/java/io/protostuff/XmlCoreSerDeserTest.java