newRequestResponseSchema is incorrect

[jamacku]

Testing Farm documentation doesn't show the correct return object: https://testing-farm.gitlab.io/api/#operation/requestsPost

The more accurate response example is:

{
  "id": "9e644e5c-b40b-49b1-b8c5-fb60062c98c5",
  "test": {
    "fmf": {
      "url": "https://github.com/jamacku/nginx-container",
      "ref": "master",
      "path": ".",
      "merge_sha": null,
      "name": "centos",
      "plan_filter": null,
      "test_filter": null
    },
    "tmt": null,
    "script": null,
    "sti": null
  },
  "state": "new",
  "environments": [
    {
      "arch": "x86_64",
      "os": {
        "compose": "Fedora-latest"
      },
      "pool": null,
      "variables": {},
      "secrets": {},
      "artifacts": [],
      "settings": {
        "pipeline": null,
        "provisioning": null
      },
      "tmt": {
        "context": null,
        "environment": null
      },
      "hardware": null,
      "kickstart": null
    }
  ],
  "notification": null,
  "settings": null,
  "created": "None",
  "updated": "None"
}