public void Deposit_ShouldReturnUpdatedAccount()
{
List <BankAccount> accounts = GetAllTestAccounts();
var controller = new BankAccountController(accounts);
var targetAccount = accounts.Find(r => r.AccountNumber == "123456");
targetAccount.Deposit(50m); // = targetAccount.Balance + 50m;
var result = controller.WithDraw("123456", 50m);
Type ts = result.Result.GetType();
var resultObj = ts.GetProperty("Content").GetValue(result.Result);
Assert.AreEqual(targetAccount, resultObj);
}
