anchor.diff:        for(Conference conference in conferences) {
           events.add({
             "id": conference.ID,
  -          "date_start": "2016-01-01",
  +          "date_start": "${conference.startDate.year}-${conference.startDate.month}-${conference.startDate.day}",
             "event_name": conference.name
           });
         }
  
positive.code: 
        return new shelf.Response.notFound(JSON.encode({"login": false}), headers: headers);
      case "boyevents":
        if(token == null || !tokenForUsername.containsKey(token))
          return new shelf.Response.forbidden(JSON.encode({"login": false}), headers: headers);
  
        List events = [];
  
negative.code: }
  
  bool login(String username, String password) {
    return (username.toLowerCase() == "b.zelen@jakajima.eu" && password == "zelen");
  }
  
  String generateToken(String username) {
  