Fixed Test Case 3166 by updating xml.

Some how there was one extra port was getting added to List.Join node which was causing test failure. Not sure how come this was passing earlier.

Test case is now started passing, see attached image.

<h4>Reviewer</h4>
- [x] @Benglin 

<h4>Need merge to</h4>
- [ ] Revit2015

![image](https://cloud.githubusercontent.com/assets/5109531/4837750/05937448-5fdd-11e4-9c07-a4a20f2a8ae7.png)