$ cd gaia
$ git checkout fmd-e2e-plus
* if test doesn't seem to be working, make sure <gaia_root>/b2g exists. If it doesn't do this:
** get your OS's b2g.app - http://ftp.mozilla.org/pub/mozilla.org/b2g/nightly/latest-mozilla-central
** unzip
** on mac change the name from B2G.app to b2g/
'''Note'''