public void ShouldIncreaseAvailableSpotsOnExit() { Assert.AreEqual(3, _manager.TotalNbrOfAvailableSpots); Assert.IsTrue(_manager.Enter(_vehicle1)); Assert.AreEqual(2, _manager.TotalNbrOfAvailableSpots); Assert.IsTrue(_manager.Exit(_vehicle1)); Assert.AreEqual(3, _manager.TotalNbrOfAvailableSpots); }