public void TestAddDeductionSingleItem() { decimal value = 15.00M; accountModel.AddDeduction(value); Assert.AreEqual(1, accountModel.Deductions.Count); Assert.AreEqual(value, accountModel.Deductions[0].Item1); Assert.AreEqual(0, accountModel.Deductions[0].Item2); Assert.AreEqual(1, events.Count); Assert.AreEqual("TotalDeductions", events[0]); }