public void AddCreditCardTest()
{
Assert.AreEqual(2, _creditCardService.GetAllCreditCards().Count());
_creditCardService.AddCreditCard(_creditCard);
Assert.AreEqual(3, _creditCardService.GetAllCreditCards().Count());
}
public IEnumerable <CreditCardModel> GetAllCreditCards()
{
return(_creditCardService.GetAllCreditCards().Select(card => new CreditCardModel(card)));
}