Skipped JavascriptI18nTests if Firefox isn't properly configured.
Skipped JavascriptI18nTests if Firefox isn't properly configured.

Code borrowed from django.contrib.admin.tests. Without this, the class can
throw an exception with something like "The browser appears to have exited
before we could connect. The output was: Error: no display specified"

mbox/django,mbox/django,mbox/django