====test====
Receiving a response we cannot serialize but it's a string gets passed through
====spec====
swagger: "2.0"
paths:
  /html:
    get:
      produces:
        - application/html
      responses:
        200:
          description: OK
====server====
proxy -p 4010 ${document} http://httpbin.org
====command====
curl -i http://localhost:4010/json
====expect====
HTTP/1.1 200 OK
content-type: application/json

{"slideshow":{"author":"Yours Truly","date":"date of publication","slides":[{"title":"Wake up to WonderWidgets!","type":"all"},{"items":["Why <em>WonderWidgets</em> are great","Who <em>buys</em> WonderWidgets"],"title":"Overview","type":"all"}],"title":"Sample Slide Show"}}