public void Combine2Lists_PositiveTest_String1Fr() { //arrange CList <string> list1 = new CList <string> { }; CList <string> list2 = new CList <string> { }; CList <string> list3 = new CList <string> { }; string new1String = "1"; string new2String = "2"; list1.Add(new1String); list2.Add(new2String); //act list3.Join(list1, list2); //assert Assert.AreEqual(list3[0], "1"); }