room.addOccupant(OCCUPANT2_JID, "Nick 2");
// send message to room
Stanza error = sendMessage(OCCUPANT1_JID, ROOM2_JID, GROUPCHAT, null, null, SUBJECT);
assertMessageErrorStanza(error, ROOM2_JID, OCCUPANT1_JID, StanzaErrorType.AUTH, StanzaErrorCondition.FORBIDDEN, new XMLElementBuilder("subject")
.addText(SUBJECT).build());
assertNull(occupant1Queue.getNext());
assertNull(occupant2Queue.getNext());
}