chromium/google_apis/test/data/tasks/tasks.json

{
  "kind": "tasks#tasks",
  "items": [
    {
      "id": "qwe",
      "title": "Completed child task",
      "parent": "asd",
      "status": "completed"
    },
    {
      "id": "asd",
      "title": "Parent task",
      "status": "needsAction",
      "due": "2023-04-19T00:00:00.000Z"
    }
  ]
}