test/data/creds_missing_private_key.json

{
  "private_key_id": "e41e91c16a6a748b5fe7b0065e54dda48a8c3639",
  "client_email": "970906992160-mtghjhg8gar32iaum5c6q9demf0nec32@developer.gserviceaccount.com",
  "client_id": "970906992160-mtghjhg8gar32iaum5c6q9demf0nec32.apps.googleusercontent.com",
  "type": "service_account"
}