Create integration test project with SpecFlow
Include SpecFlow Extension.
Add Integration Test: Calculate Valet Parking Cost for half an hour
Ignore unimplemented scenario.
Build MVP structure for parking cost calculator.
Move to ParkingCost folder.
Build execution structure according to scenario of valet parking.
Use Assert.That pattern.
Rename.
Rename.
Should charge 2.00 when use Valet Parking and parking time is less than 5 hours.
Extract cost calculating logic into specific calculator.