message: Lie about DMs in tests
diff: @@ -56,6 +56,11 @@ describe('RoomList', () => {
  DMRoomMap.makeShared();
  + // Lie to the room list store about DMs not existing
  + DMRoomMap.getUserIdForRoomId = () => {
  + return null;
  + }
  +
  parentDiv = document.createElement('div');
  document.body.appendChild(parentDiv);
  