public void TestDepositCurrent()
        {
            CurrentAccount acc = new CurrentAccount(1120002895, Convert.ToDecimal(1000.000000000), "Nmae", DateTime.Now);

            decimal amount = 1000;

            decimal expected = acc.AvailableBalance + amount;

            acc.CreditAccount(amount);

            decimal actual = acc.AvailableBalance;

            Assert.AreEqual(actual, expected);
        }