public void It_Returns_The_Description_Format_With_Forward_Slashes_Separating_Each_Threshold_In_The_Description() { //--arrange var achievement = new AchievementWithThreeLevels(_dataContext); string thresholdString = string.Join("/", achievement.LevelThresholds.Values.ToArray()); var expectedDescription = string.Format(achievement.DescriptionFormat, thresholdString); //--act var description = achievement.Description; //--assert Assert.That(description, Is.EqualTo(expectedDescription)); }