{
  "mockBidRequest": {
    "id": "test-request-id",
    "app": {},
    "imp": [
      {
        "id": "test-imp-id",
        "banner": {
          "format": [
            {
              "w": 300,
              "h": 250
            },
            {
              "w": 300,
              "h": 600
            }
          ]
        },
        "displaymanagerver": "any-display-manager-version",
        "ext": {
          "bidder": {
            "placement_id": 1
          }
        }
      }
    ],
    "ext": {
      "appnexus": {
        "brand_category_uniqueness": "wrong-format"
      }
    }
  },
  "expectedMakeRequestsErrors": [
    {
      "value": "malformed request ext.appnexus",
      "comparison": "literal"
    }
  ]
}