{
  "description": "Bid request with user.eids array element array element that does not contain uids",
  "mockBidRequest": {
    "id": "b9c97a4b-cbc4-483d-b2c4-58a19ed5cfc5",
    "site": {
      "page": "prebid.org",
      "publisher": {
        "id": "a3de7af2-a86a-4043-a77b-c7e86744155e"
      }
    },
    "source": {
      "tid": "b9c97a4b-cbc4-483d-b2c4-58a19ed5cfc5"
    },
    "tmax": 1000,
    "imp": [{
      "id": "/19968336/header-bid-tag-0",
      "ext": {
        "appnexus": {
          "placementId": 12883451
        }
      },
      "banner": {
        "format": [{
            "w": 300,
            "h": 250
          },
          {
            "w": 300,
            "h": 300
          }
        ]
      }
    }],
    "regs": {
      "ext": {
        "gdpr": 1
      }
    },
    "user": {
      "eids": [{
        "source": "source1"
      }]
    }
  },
  "expectedReturnCode": 400,
  "expectedErrorMessage": "Invalid request: request.user.eids[0].uids must contain at least one element or be undefined\n"
}