public void Failure_AgeDoesntMatch() { // arrange var name = "Sean"; var age = 30; var eyeColour = "Blue"; var hairColour = "Blonde"; // act - creating a person testing the constructor Person person = new Person(name, age, eyeColour, hairColour); // assert var actual = person.GetAge(); Assert.AreEqual(35, actual, string.Format("Age: {0} does not equal {1}", 35, actual)); }