def METHOD_NAME(self, access_point):
    # Custom override specified for the "embargo" message
    # for backwards compatibility with previous versions
    # of the embargo app.
    url = reverse('embargo:blocked_message', kwargs={
        'access_point': access_point,
        'message_key': "embargo"
    })
    response = self.client.get(url)
    self.assertContains(
        response,
        "This is a test template to test embargo message override for theming."
    )