{
  "mockBidRequest": {
    "id": "invalid-imp-ext",
    "imp": [
      {
        "id": "invalid-imp-ext-imp",
        "ext": {
          "bidder": "invalid"
        }
      }
    ]
  },
  "httpCalls": [],
  "expectedMakeRequestsErrors": [
    {
      "value": "Invalid imp.ext.bidder for impression index 0. Error Information: expect { or n, but found \"",
      "comparison": "literal"
    }
  ]
}