def test_anonymous_get_requests_redirected_to_index(self):
        self.client.logout()

        response = self.client.get(reverse('results-export'), follow=True)
        self.assertRedirects(response, '/?next=%2Fadmin%2Fresults')
def test_critical_angle():
    m1 = Medium('m1', n=1)
    m2 = Medium('m2', n=1.33)
    assert ae(critical_angle(m2, m1), 0.85, 2)