update xfails for test_that_top_changers_is_highlighted_when_chosen

The <code>test_that_top_changers_is_highlighted_when_chosen()</code> passes for the django builds but not the standard builds.

I apologize for the blatant pep8 line length violation - if it should be remedied I'm open to ideas on how to tame the beast.

![squirrel_sith_lightning](https://f.cloud.github.com/assets/63193/422443/44376ac0-ad27-11e2-8d7d-7e2445fe89e6.jpg)