@Test
    public void every_park_stop_five_car_when_in_ten_car_and_average_strategy() {
        parkBoy = new ParkBoy(new AverageStrategy());
        parkBoy.handlePark(new Park(this.FIRST_PARK_SIZE));
        parkBoy.handlePark(new Park(this.SECOND_PARK_SIZE));
        for(int i = 0; i < 10; i ++) {
            parkBoy.in(new Car(String.valueOf(i)));
            Assert.assertEquals(parkBoy.getParkSize(0), this.FIRST_PARK_SIZE - (i / 2 + 1));
            Assert.assertEquals(parkBoy.getParkSize(1), this.SECOND_PARK_SIZE - (i + 1) / 2);
        }
    }