{
  "mockBidRequest": {
    "id": "err-imp-ext",
    "imp": [
      {
        "id": "imp-1",
        "banner": {
          "format": [{ "w": 300, "h": 250 }]
        },
        "ext": {
          "bidder": "THIS_IS_NOT_VALID_JSON"
        }
      }
    ],
    "site": {
      "page": "http://example.com",
      "ref": "http://example.com"
    },
    "device": {
      "ua": "ua",
      "h": 100,
      "w": 200
    }
  },
  "expectedRequestCount": 0,
  "expectedMakeRequestsErrors": [
    {
      "value": "expect { or n, but found",
      "comparison": "startswith"
    }
  ],
  "expectedMakeBidsErrors": [],
  "expectedBidResponses": []
}