OpenDoorTDD.cs

[TestClass]
public class PriceListTest
{
    [TestMethod]
    public TestLookupPrice()
    {
        // Arrange
        var priceList = new PriceList();

        // Act
        var result = priceList.LookupPrice("Little Creatures Pale Ale");

        // Assert
        Assert.AreEqual(7, result);
    }
}