message: Soften warning about lack of rooms in setting updates
diff: @@ -42,9 +42,12 @@ export default class RoomSettingsHandler extends MatrixClientBackedSettingsHandl
  _onEvent(event, state, prevEvent) {
  const roomId = event.getRoomId();
  const room = this.client.getRoom(roomId);
  - if (!room) throw new Error(`Unknown room caused state update: ${roomId}`);
  - if (state !== room.currentState) return; // ignore state updates which are not current
  + // Note: the tests often fire setting updates that don't have rooms in the store, so
  + // we fail softly here. We shouldn't assume that the state being fired is current
  + // state, but we also don't need to explode just because we didn't find a room.
  + if (!room) console.warn(`Unknown room caused setting update: ${roomId}`);
  + if (room && state !== room.currentState) return; // ignore state updates which are not current
  if (event.getType() === "org.matrix.room.preview_urls") {
  let val = event.getContent()['disable'];
  