@Override
        public void run() {
            WriteDocumentReply reply = new WriteDocumentReply(DocumentProtocol.REPLY_PUTDOCUMENT);
            reply.setHighestModificationTimestamp(30);

            assertEquals(13, serialize("PutDocumentReply", reply));

            for (Language lang : LANGUAGES) {
                WriteDocumentReply obj = (WriteDocumentReply)deserialize("PutDocumentReply", DocumentProtocol.REPLY_PUTDOCUMENT, lang);
                assertNotNull(obj);
                assertEquals(30, obj.getHighestModificationTimestamp());
            }
        }
@author Simon Thoresen Hult
@author Vegard Sjonfjell
documentapi/src/test/java/com/yahoo/documentapi/messagebus/protocol/Messages60TestCase.java