'GET on the change_view (for inherited models) redirects to the index
page with a message saying the object doesn\'t exist.'

def test_basic_inheritance_GET_string_PK(self):

    response = self.client.get(reverse('admin:admin_views_supervillain_change', args=('abc',)), follow=True)
    self.assertRedirects(response, reverse('admin:index'))
    self.assertEqual([m.message for m in response.context['messages']], ['super    villain    with    ID    "abc"    doesn\'t    exist.    Perhaps    it    was    deleted?'])
