public void NewRatingShouldGiveSameRatingIfNoRatingHasBeenSubmittedBefore()
{
var sut = new Beer();
sut.AddNewRating(10);
Assert.That(sut.Rating == 10);
}
public void NewRatingShouldGiveNewRatingPlusCurrentRatingDividedByTwo()
{
var sut = new Beer();
sut.AddNewRating(5);
sut.AddNewRating(6);
Assert.That(sut.Rating == 5);
sut.AddNewRating(10);
Assert.That(sut.Rating == 7);
sut.AddNewRating(9);
Assert.That(sut.Rating == 8);
}