### Question:
CarControlImpl implements CarControl { @Override public int getLastSteer() { return currentSteerValue; } CarControlImpl(ArduinoCommunicator arduinoInstance); @Override int getLastThrottle(); @Override int getLastSteer(); @Override synchronized void setThrottle(int value); @Override synchronized void setSteerValue(int value); @Override synchronized void addThrottle(int value); @Override synchronized void addSteer(int value);  }### Answer:
@Test void getLastSteer() { assertEquals(carControl.getLastSteer(), STEER_VALUE); }