@Override
        public void run() {
            GetDocumentMessage msg = new GetDocumentMessage(new DocumentId("id:ns:testdoc::"), "foo bar");
            assertEquals(BASE_MESSAGE_LENGTH + 31, serialize("GetDocumentMessage", msg));

            for (Language lang : LANGUAGES) {
                msg = (GetDocumentMessage)deserialize("GetDocumentMessage", DocumentProtocol.MESSAGE_GETDOCUMENT, lang);
                assertEquals("id:ns:testdoc::", msg.getDocumentId().toString());
                assertEquals("foo bar", msg.getFieldSet());
            }
        }
@author Simon Thoresen Hult
@author Vegard Sjonfjell
documentapi/src/test/java/com/yahoo/documentapi/messagebus/protocol/Messages60TestCase.java