def METHOD_NAME(self):
    """When requesting an addition, the view shall add the goal to the content's goals."""
    # Note: the "activated" parameter is the current state, not the desired state.
    form_args = {"activated": True, "goal_id": self.goal.pk, "content_id": self.content.pk}
    response = self.client.post(reverse("content:mass-edit-goals"), form_args)
    self.assertEqual(response.status_code, 200)
    self.assertEqual(list(self.content.goals.all()), [self.goal])