public void LinkedListSingleRemoveDuplicates1HashSetCompleteTest6SingleNode()
        {
            // Create with helper.
            var actual = LinkedListSingleLinkNode <int> .CreateFromData(1);

            var expected = LinkedListSingleLinkNode <int> .CreateFromData(1);

            LinkedListSingleRemoveDuplicates1HashSetComplete.RemoveDuplicates(actual);
            LinkedListSingleLinkNode <int> .Compare(expected, actual);
        }
 public void LinkedListSingleRemoveDuplicates1HashSetCompleteTest5NullList()
 {
     LinkedListSingleRemoveDuplicates1HashSetComplete.RemoveDuplicates(null);
 }