### Question:
Car { public Led getLed() { return led; } private  Car(); void configure(Engine engine, Steering steering, Led led); void setPowerOn(); void setPowerOff(); boolean powerIsOn(); void stop(); void turn(ServoPosition position); void drive(ServoPosition speed); Engine getEngine(); Steering getSteering(); Led getLed(); static Car getInstance(); static void resetInstance(); static ServoCommand servoCommand; }### Answer:
@Test public void testLed() throws Exception { Car car = getCar(); Led led = car.getLed(); led.statusLedOn(); led.statusLedOff(); if (debug) servoCommand.showLog(); }