doccano/app/api/tests/data/invalid_labels.json

[
  {
    "id": 44,
    "text": "Dog",
    "prefix_key": null,
    "suffix_key": "a",
    "background_color": "#FF0000",
    "text_color": "#ffffff"
  },
  {
    "id": 45,
    "text": "Dog",
    "prefix_key": null,
    "suffix_key": "c",
    "background_color": "#FF0000",
    "text_color": "#ffffff"
  }
]