public void TestRervers()
{
MyLinkedList l1 = new MyLinkedList();
l1.Insert(c1);
l1.Insert(c2);
l1.Insert(c3);
l1.Revers();
Assert.AreEqual(3, l1.Count);
Assert.AreEqual("3 Cristian Nielsen 20\n2 Bjørn Borg 30\n1 Anders And 15\n", l1.ToString());
}