helper method fixed to properly change url

frontend-js/src/test/js/helper.js

@@ -27,6 +27,8 @@ var User = require("../../main/js/map/data/User");
 var Cookies = require('js-cookie');
 var jsdom = require('jsdom');
 
+var GuiConnector = require('../../main/js/GuiConnector');
+
 function Helper() {
   this.idCounter = 1000000;
 }
@@ -354,6 +356,7 @@ Helper.prototype.setUrl = function(url) {
   for ( var cookie in cookies) {
     Cookies.set(cookie, cookies[cookie]);
   }
+  GuiConnector.init();
 };
 
 Helper.EPSILON = 1e-6;