public void AddingElementsToListTest()
        {
            ListTable <int> table = new ListTable <int>();

            table.AddElement(3, 3);
            table.AddElement(10, 5);
            table.AddElement(14, 13);

            int expected = 3;
            int result   = table.ElementsCount();

            Assert.AreEqual(expected, result);
        }