curl --request PATCH \
  --url https://api.example.com/api/v2/projects/{project_id}/prompt-datasets/{dataset_id}/test-cases/{test_case_id} \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "inputs": null,
  "output": null,
  "metadata": null,
  "history": null,
  "media_inputs": null
}
'

{
  "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
  "inputs": {},
  "output": null,
  "output_message": {
    "content": [
      {
        "text": "<string>",
        "type": "text"
      }
    ],
    "role": "user"
  },
  "metadata": null,
  "media_inputs": null,
  "history": null
}