public void It_Returns_The_Description_Format_With_The_Sole_Level_Threshold() { //--arrange var achievement = new AchievementWithOneLevel(_dataContext); var expectedDescription = string.Format(achievement.DescriptionFormat, achievement.LevelThresholds.First().Value); //--act var description = achievement.Description; //--assert Assert.That(description, Is.EqualTo(expectedDescription)); }