{
  "mockBidRequest": {
    "id": "err-nativeryext-widgetid-number",
    "imp": [
      {
        "id": "1",
        "banner": { "format": [{ "w": 300, "h": 250 }] },
        "ext": { "bidder": { "widgetId": "1" } }
      }
    ],
    "site": { "page": "http://example.com", "ref": "http://example.com" },
    "device": { "ua": "ua", "h": 100, "w": 200 },
    "ext": {
      "nativery": {
        "isAmp": false,
        "widgetId": 123
      }
    }
  },
  "expectedRequestCount": 0,
  "expectedMakeRequestsErrors": [
    {
      "comparison": "regex",
      "value": ".*cannot unmarshal nativery.*WidgetId.*"
    }
  ],
  "expectedMakeBidsErrors": [],
  "expectedBidResponses": []
}