public void CoastKeepsInputsOn()
{
//arrange
var enabled = new PinStub(1);
var clockwise = new PinStub(2);
var counterclockwise = new PinStub(3);
var motor = new Motor(enabled, clockwise, counterclockwise);
motor.Start();
//act
motor.Coast();
//assert
Assert.Equal(PowerValue.Off, enabled.Power);
Assert.Equal(PowerValue.On, clockwise.Power);
Assert.Equal(PowerValue.Off, counterclockwise.Power);
}