{
  "mockBidRequest": {
    "id": "some_test_ad",
    "site": {
      "page": "https://some.domain.us/some/page.html"
    },
    "imp": [
      {
        "bidfloor": 0.02,
        "banner": {
          "format": [
            {
              "w": 300,
              "h": 250
            }
          ]
        },
        "ext": {
          "bidder": {
            "bidfloor": 0.02,
            "appId": ""
          }
        }
      }
    ]
  },

  "expectedMakeRequestsErrors": [
    {
      "value": "unable to determine the appId(s) from the supplied extension",
      "comparison": "literal"
    }
  ] 
}