{
  "mockBidRequest": {
    "id": "freewheelssp-test",
    "site": {
      "page": "prebid.org"
    },
    "imp": [
      {
        "id": "imp-1",
        "video": {
          "mimes": ["video/mp4"],
          "w": 300,
          "h": 250
        },
        "ext": {
          "bidder": {
            "zoneId": "abc123"
          }
        }
      }
    ]
  },
  "expectedMakeRequestsErrors": [
    {
      "value": ".*Invalid imp.ext for impression index 0.*",
      "comparison": "regex"
    }
  ]
}