public void ProductPrice_IsReturned_WhenProductAdded()
{
//Arrange
OrderFunctionality o1 = new OrderFunctionality();
Product product1 = new Product("1", "Test1", 0.01m);
o1.NewProduct(product1);
//Act
int i = o1.ProductInformation("1");
//Assert
Assert.AreEqual(o1.ProductPrice(i), 0.01m);
}