{
"mockBidRequest": {
    "id": "test-request-id",
    "imp": [
      {
        "id": "test-imp-id",
        "video": {
          "w": 728, 
          "h": 90,
          "protocols": [2],
          "placement": 1,
          "startdelay": -2,
          "playbackmethod": [2],
          "mimes": ["foo", "bar"]
        },
        "ext": {
          "bidder": "invalid"
        }
      }
    ],
    "site": {
      "publisher": {
        "id": "test-publisher-id"
      }
    },
    "ext": {
        "insticator": "invalid"
    }
  },
    
    "expectedMakeRequestsErrors": [
        {
            "value": "cannot unmarshal insticator.reqExt.Insticator: expect { or n, but found \"",
            "comparison": "literal"
        },
        {
            "value": "expect { or n, but found \"",
            "comparison": "literal"
        }
    ]
}