public void stop_null()
        {
            var subDevice = Substitute.For <IHOTASDevice>();

            subDevice.SetupNewModeProfile().Returns(43);
            subDevice.ButtonMap.Returns(new ObservableCollection <IHotasBaseMap>());

            var subDeviceFactory = Substitute.For <HOTASDeviceFactory>();

            subDeviceFactory.CreateHOTASDevice(Arg.Any <IDirectInput>(), Arg.Any <Guid>(), Arg.Any <Guid>(), Arg.Any <string>(), Arg.Any <IHOTASQueue>()).Returns(subDevice);

            var list = new HOTASCollection(Substitute.For <DirectInputFactory>(), Substitute.For <JoystickFactory>(), Substitute.For <HOTASQueueFactory>(Substitute.For <IKeyboard>()), subDeviceFactory);

            list.AddDevice(subDevice);
            list.Stop();
            subDevice.Received().Stop();
        }