Versions of Firefox after 25 have API changes which break compatibility with selenium v1. I can show some screenshots and/or open this in a separate PR if helpful. 

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> On Mar 24, 2014, at 10:02 PM, Ryan Bigg <notifications@github.com> wrote:
> 
> In README.md:
> 
> > @@ -203,6 +203,9 @@ generate test applications and run specs for all the facets:
> >  bash build.sh
> >  ```
> >  
> > +In order for JavaScript dependent request specs to run, you must use
> > +[Firefox version 25](https://ftp.mozilla.org/pub/mozilla.org/firefox/releases/25.0/) or earlier.
> I don't understand this note in the README.
> 
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