public void Cook_BuyerNull_NoException()
{
// Arrange
var theCook = new Heisenberg(null);
Assert.DoesNotThrow(theCook.Cook);
}
public void Cook_BuyerIsNotNull_TheBuyerShouldBeUpdated()
{
// Arrange
var theBuyer = new TucoSalamanca();
var theCook = new Heisenberg(theBuyer);
// Act
theCook.Cook();
// Assert
Assert.IsTrue(theBuyer.OfferReceived);
}