public void TestGet()
        {
            //Assign
            list.AddFirst(1);
            var node = list.AddLast(2);

            //Act
            var testCurrent = list.Get(2);

            list.Clear();
            var testNull = list.Get(1);

            //Assert
            Assert.AreEqual(testCurrent, node);
            Assert.IsNull(testNull);
        }