HTTP/1.1 200 OK
Content-type: application/json; charset=UTF-8

{
  "timeMax": "2018-04-02T14:00:00.000Z", 
  "kind": "calendar#freeBusy", 
  "calendars": {
    "MockAccount": {
      "busy": [
        {
          "start": "2018-04-01T12:30:00+02:00", 
          "end": "2018-04-01T13:30:00+02:00"
        },
        {
          "start": "2018-04-01T15:00:00+02:00",
          "end": "2018-04-01T16:30:00+02:00"
        }
      ]
    }
  }, 
  "timeMin": "2018-04-01T08:00:00.000Z"
}
