public void ParkingFee_ShouldBeValidMinMaxHoursAndCost()
        {
            ParkingFee sut = new ParkingFee(0, 2, 5);

            Assert.That(sut.GetMinTimeInHours(), Is.EqualTo(0));
            Assert.That(sut.GetMaxTimeInHours(), Is.EqualTo(2));
            Assert.That(sut.GetCost(), Is.EqualTo(5));
        }