public void GetDiscountCodeTest()
{
FinanceBL financeBL = new FinanceBL(DataContext);
DiscountCode userDiscount = new DiscountCodeMock(DataContext).GetDiscountCode("DisCode60", 60.00M, 5, 5);
DataContext.DiscountCodes.AddObject(userDiscount);
financeBL.SaveChanges();
DiscountCode discountDB = financeBL.GetDiscountCode("DisCode60");
Assert.AreEqual(userDiscount, discountDB);
}