'GETs to ban_user_and_cleanup for nonexistent user return 404.'

def test_ban_nonexistent_user(self):

    testuser = self.user_model.objects.get(username='testuser')
    self.client.login(username='admin', password='testpass')
    ban_url = reverse('users.ban_user_and_cleanup', kwargs={'username': testuser.username})
    testuser.delete()
    resp = self.client.get(ban_url)
    eq_(404, resp.status_code)
