curl --request PATCH \
  --url https://api.agentic.scope3.com/api/v2/buyer/advertisers/{advertiserId}/test-plans/{testPlanId} \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "status": "designed",
  "testCondition": {},
  "controlCondition": {},
  "matchDimensions": [
    "<string>"
  ],
  "testCellsCount": 4503599627370495,
  "controlCellsCount": 4503599627370495,
  "coverageGaps": [
    "<unknown>"
  ]
}
'

{
  "data": null,
  "error": {
    "code": "<string>",
    "message": "<string>",
    "field": "<string>",
    "details": {}
  }
}