public void clear_button_map()
{
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.ClearButtonMap();
subDevice.Received().ClearButtonMap();
}