public void Must_Create_Installment_For_One_Installment_Credit_Operation()
{
var order = new Order();
order.Total = 100;
var payment = PaymentFactory.PayWithCredit();
payment.CreateInstallments(order);
Assert.IsNotNull(order.Installments);
Assert.IsTrue(order.Installments.Count == 1);
Assert.IsTrue(order.Installments[0].PaymentValue == order.Total);
Assert.IsTrue(order.Installments[0].DueDate == DateTime.Today.AddMonths(1));
}
