public void RuleOrderCannotHaveAShippedDateLaterThanDatePlaced_NoShipDate_NotApplicable()
        {
            //Arrange
            var order = new Order {
                OrderDateTime = DateTime.Today.AddDays(-3)
            };
            //Act
            var res = _orderValidation.RuleOrderCannotHaveAShippedDateLaterThanDatePlaced().Validate(order);

            //Assert
            Assert.IsTrue(res.NotApplicable);
        }