{
  "mockBidRequest": {
    "id": "test-request-id",
    "imp": [
      {
        "id": "test-imp-id",
        "banner": {
          "format": [
            {
              "w": 300,
              "h": 250
            }
          ]
        },
        "ext": {
          "bidder": {
            "seatId": 1927,
            "tagId": "demo1"
          }
        }
      }
    ]
  },

  "expectedMakeRequestsErrors": [
    {
      "value": "cannot unmarshal openrtb_ext.ExtImpImds.SeatId: expects \" or n, but found 1",
      "comparison": "literal"
    }
  ]
}