public void EventRepo_CalculateAllOutings_ShouldBeCorrect() { EventRepo eventRepo = new EventRepo(); Event cost = new Event(); cost.PerOutCost = 5m; Event outing = new Event(); outing.PerOutCost = 5m; Event outingTwo = new Event(); outingTwo.PerOutCost = 5m; eventRepo.AddEventToList(cost); eventRepo.AddEventToList(outing); eventRepo.AddEventToList(outingTwo); decimal actual = eventRepo.CalculateAllOutings(); decimal expected = 15; Assert.AreEqual(expected, actual); }