{
  "description": "False usepbsrates forces BidRequest use custom currency rates but bidRequest.ext.prebid.currency.rates field comes with invalid currency codes",
  "config": {
    "currencyRates":{
      "USD": {
        "MXN": 5.09
      }
    },
    "mockBidders": [
      {"bidderName": "appnexus", "currency": "USD", "price": 1.00}
    ]
  },
  "mockBidRequest": {
    "id": "some-request-id",
    "site": {
      "page": "test.somepage.com"
    },
    "imp": [
      {
        "id": "my-imp-id",
        "video": {
          "mimes": [
            "video/mp4"
          ]
        },
        "ext": {
          "appnexus": {
            "placementId": 12883451
          }
        }
      }
    ],
    "cur": ["MXN"],
    "ext": {
      "prebid": {
        "aliases": {
          "unknown": "appnexus"
        },
        "currency": {
          "rates": {
            "USD": {
              "FOO": 10.0
            }
          },
          "usepbsrates": false
        }
      }
    }
  },
  "expectedReturnCode": 400,
  "expectedErrorMessage": "Invalid request: currency code "
}