public void AddingTransactionToAccountDelegatesToAccountInstance()
        {
            var account = new Account();
            var fakeAccountRepository = new FakeAccountRepository(account);
            var sut = new AccountService(fakeAccountRepository);

            sut.AddTransactionToAccount("Trading Account", 200m);

            Assert.AreEqual(200m, account.Balance);
        }
        public void AddingTransactionToAccountDelegatesToAccountInstance()
        {
            // Arrange
            var account = new Account();
            var fakeRepository = new FakeAccountRepository(account);
            var sut = new AccountService(fakeRepository);

            // Act
            sut.AddTransactionToAccount("Trading Account", 200m);

            // Assert
            Assert.AreEqual(200m, account.Balance);
        }