def test_voter_get_requests_redirected_to_index(self):
        self.client.logout()
        self.client.login(username='user0', password='voter')

        response = self.client.get(reverse('results-export'), follow=True)
        self.assertRedirects(response, reverse('index'))
def deadline_for_course(cls, course_key):
        """
        Retrieve the verification deadline for a particular course.

        Arguments:
            course_key (CourseKey): The identifier for the course.

        Returns:
            datetime or None

        """
        try:
            deadline = cls.objects.get(course_key=course_key)
            return deadline.deadline
        except cls.DoesNotExist:
            return None