public void IsSwitchedOn_If_ShowCountdownTrue_And_WasSwitchedOff() { _timer.Expect(t => t.IsSwitchedOn).Return(false); _updateResponder.ConfigUpdated(new ConfigSettings { ShowCountdown = true }); _timer.AssertWasCalled(t => t.SwitchOn()); _view.AssertWasCalled(v => v.Invoke(Arg <Action> .Is.Anything)); }