message: Add missing stubs to stubRoom.currentState
diff: @@ -251,6 +251,8 @@ export function mkStubRoom(roomId = null) {
  getStateEvents: sinon.stub(),
  mayClientSendStateEvent: sinon.stub().returns(true),
  maySendStateEvent: sinon.stub().returns(true),
  + maySendEvent: sinon.stub().returns(true),
  + maySendMessage: sinon.stub().returns(true),
  members: [],
  },
  tags: {
  