'User should see a warning when \'Go\' is pressed and no action is selected.'

def test_user_message_on_no_action(self):

    action_data = {ACTION_CHECKBOX_NAME: [1, 2], u'action': u'', u'index': 0}
    response = self.client.post(u'/test_admin/admin/admin_views/subscriber/', action_data)
    msg = u'No    action    selected.'
    self.assertContains(response, msg)
    self.assertEqual(Subscriber.objects.count(), 2)
