def METHOD_NAME(client):
    user = f.UserFactory.create()
    issue = f.create_issue(owner=user)
    f.MembershipFactory.create(project=issue.project, user=user, is_admin=True)
    url_detail = reverse("issues-detail", args=(issue.id,))
    url_watch = reverse("issues-watch", args=(issue.id,))
    url_unwatch = reverse("issues-unwatch", args=(issue.id,))
    client.login(user)
    response = client.get(url_detail)
    assert response.status_code == 200
    assert response.data['watchers'] == []
    assert response.data['is_watcher'] == False
    response = client.post(url_watch)
    assert response.status_code == 200
    response = client.get(url_detail)
    assert response.status_code == 200
    assert response.data['watchers'] == [user.id]
    assert response.data['is_watcher'] == True
    response = client.post(url_unwatch)
    assert response.status_code == 200
    response = client.get(url_detail)
    assert response.status_code == 200
    assert response.data['watchers'] == []
    assert response.data['is_watcher'] == False