def test_iadd(self, evt):
        rval = event.ReturnValue(append_events=[evt])
        rval2 = event.ReturnValue(eat=True, append_events=[evt])
        rset = event.ResultSet()

        rset += rval
        rset += rval2
        rset += None
        assert rset.eat
        assert rset.append_events == [evt, evt]
def test_list_task_watchers(client):
    user = f.UserFactory.create()
    task = f.TaskFactory(owner=user)
    f.MembershipFactory.create(project=task.project, user=user, is_admin=True)
    f.WatchedFactory.create(content_object=task, user=user)
    url = reverse("task-watchers-list", args=(task.id,))

    client.login(user)
    response = client.get(url)

    assert response.status_code == 200
    assert response.data[0]['id'] == user.id