public void IterateForSpecialItemsReturnTrueFalse_DifferentParameters_ReturnGoodResult(string listItem, string itemName, bool expectedResult)
        {
            List <string> list = new List <string>()
            {
                listItem
            };
            GildedRose gildeRose = new GildedRose(Items);
            bool       result    = gildeRose.IterateForSpecialItemsReturnTrueFalse(list, itemName);

            Assert.AreEqual(expectedResult, result, $"IterateForSpecialItemsReturnTrueFalse(): expected {expectedResult}; got {result}; parameters ( itemName {itemName}; list {listItem} )");
        }