private static final Occupant FROM_OCCUPANT = new Occupant(FROM, NICK, Affiliation.None, Role.Visitor);
public void testSubjectMessage() {
StanzaBuilder builder = StanzaBuilder.createMessageStanza(FROM, ROOM_JID, null, null);
builder.startInnerElement("subject").addText(SUBJECT).endInnerElement();
DiscussionMessage item = new DiscussionMessage(builder.build(), FROM_OCCUPANT, TIMESTAMP);
assertEquals(NICK, item.getNick());
assertEquals(TIMESTAMP, item.getTimestamp());
assertFalse(item.hasBody());