public void RatingNotChanged_SameRating()
{
var feedback = new Feedback("1", "TheFirstFeedback", 3, "This is a feedback created");
var result = Assert.ThrowsException <ArgumentException>(() => feedback.ChangeRating(3));
Assert.AreEqual("Rating already at '3'.", result.Message);
}
public void RatingChanged_NewRating()
{
var feedback = new Feedback("1", "TheFirstFeedback", 3, "This is a feedback created");
feedback.ChangeRating(5);
Assert.AreEqual(5, feedback.Rating);
}