public void Run_WhenClassificationIs_ShouldReturnExpectedIcon(string classification, string expectedIcon)
        {
            //arrange
            Item fakePart = ItemHelper.CreateItem(string.Empty, string.Empty);

            fakePart.setProperty("classification", classification);
            //act
            fakePart = TestClass.Run(fakePart);

            //assert
            string actualIcon = fakePart.getProperty("gag_icon");

            Assert.AreEqual(expectedIcon, actualIcon);
        }
 public void Run_ItemAsNull_ShouldThrowArgumentNullException()
 {
     //assert
     Assert.Throws <ArgumentNullException>(() => TestClass.Run(null));
 }