public void AddNodes_DiffrentLength_Test()
{
var firstNumber = new AlgorithmsPractice.Lists.LinkedListNode <int>(3, 1, 5);
var secondNumber = new AlgorithmsPractice.Lists.LinkedListNode <int>(5, 9, 2, 7);
var result = LinkedListService.AddNodes(firstNumber, secondNumber, 0);
AreEqual(new AlgorithmsPractice.Lists.LinkedListNode <int>(5, 2, 4, 2, 1), result);
}