{
    "mockBidRequest": {
      "id": "12345",
      "imp": [{
        "id": "001",
        "video": {
            "w": 900,
            "h": 250,
            "mimes": [
              "video/x-flv",
              "video/mp4"
            ]
          },
        "ext": {
          "bidder": {
            "placement_id": 1
          }
        }
      }],
      "site": {
        "domain": "https://test.com",
        "page": "https://test.com/2016/06/12"
      },
      "cur": [
        "USD"
      ],
      "device": {
        "ua": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/72.0.3626.121 Safari/537.36",
        "ip": "127.0.0.1",
        "language": "EN"
      },
      "tmax": 500,
      "debug": 1 
    },
    "httpCalls": [],
    "expectedMakeRequestsErrors": [
      {
        "value": "json: cannot unmarshal number into Go struct field ImpExtResetDigital.placement_id of type string",
        "comparison": "literal"
      }
    ],
    "expectedBidResponses": []
  }