public void TowCarsFor4Tickets()
        {
            _sut = new TowIfVehicleHasThreeOrMoreTickets(4);
            var result = _sut.ShouldTowCar();

            Assert.IsTrue(result);
        }
        public void DoNotTowCarsFor2Tickets()
        {
            _sut = new TowIfVehicleHasThreeOrMoreTickets(2);
            var result = _sut.ShouldTowCar();

            Assert.IsFalse(result);
        }