public void TotalCostAllOutings_ReturningHasValue() { Outing _outing = new Outing(); OutingsRepository _repo = new OutingsRepository(); _outing.Attendance = 50; _outing.CostPerPerson = 60; _repo.AddToList(_outing); int totalSum = _repo.TotalCostAllOutings(); bool sumHasGirth = (totalSum > 0); Assert.IsTrue(sumHasGirth); }