public void MaxiSavingsAccountTest_SumTransactions() { IAccount maxiSavingsAccount = new MaxiSavingsAccount(); maxiSavingsAccount.Deposit(450.75m); maxiSavingsAccount.Deposit(120.32m); maxiSavingsAccount.Withdraw(4.67m); Assert.AreEqual(566.40m, maxiSavingsAccount.SumTransactions()); }