# Pastebin 6AafqVLL
    def test_login_session_lengthh(self):
        settings.SESSION_TIMEOUT=100
        print "starting..."
        self._login()

        user = self.data.user
        form_data = self.get_form_data(user)
        url = reverse('login')

        response = self.client.post(url, form_data)

        expires = response._headers['expires'][1]
        expire_object = datetime.datetime.strptime(expires, '%a, %d %b %Y %H:%M:%S %Z')
        lifespan = expire_object - datetime.datetime.now()
        print lifespan.total_seconds()