public void CanDiscount_IsNotBlackFriday_ReturnsFalse()
        {
            Order order = new Order {
                OrderedDate = BlackFriday.AddDays(-1)
            };

            // Arrange
            ICanDiscountStrategy canDiscount = new BlackFridayCanDiscountStrategy();

            // Act
            var result = canDiscount.CanDiscount(order);

            // Assets
            result.Should().BeFalse();
        }
        public void CanDiscount_IsBlackFriday_ReturnsTrue()
        {
            Order order = new Order {
                OrderedDate = BlackFriday
            };

            // Arrange
            ICanDiscountStrategy canDiscount = new BlackFridayCanDiscountStrategy();

            // Act
            var result = canDiscount.CanDiscount(order);

            // Assets
            result.Should().BeTrue();
        }