'Verify question returned from valid URL.'

def test_from_invalid_url(self):

    q = QuestionFactory()
    eq_(None, Question.from_url(('/en-US/questions/%s/edit' % q.id)))
    eq_(None, Question.from_url(('/en-US/kb/%s' % q.id)))
    eq_(None, Question.from_url('/random/url'))
    eq_(None, Question.from_url('/en-US/questions/dashboard/metrics'))
