diff --git a/frontend-js/src/test/js/helper.js b/frontend-js/src/test/js/helper.js
index d640a9158ee0e895a76097877b687fb5369f6ca0..d200d973d59904960fc396e1c0e67bda063eb58c 100644
--- a/frontend-js/src/test/js/helper.js
+++ b/frontend-js/src/test/js/helper.js
@@ -69,7 +69,6 @@ Helper.prototype.createMenuDiv = function() {
   showOverviewButton.setAttribute("name", "showOverviewButton");
   result.appendChild(showOverviewButton);
 
-  
   return result;
 };
 
@@ -457,8 +456,10 @@ Helper.prototype.createGoogleMap = function() {
   return result;
 };
 
-Helper.prototype.createCustomMapOptions = function() {
-  var project = this.createProject();
+Helper.prototype.createCustomMapOptions = function(project) {
+  if (project === undefined) {
+    project = this.createProject();
+  }
 
   var result = new CustomMapOptions({
     markerOptimization : true,
@@ -476,8 +477,8 @@ Helper.prototype.createAbstractCustomMap = function() {
   return result;
 };
 
-Helper.prototype.createCustomMap = function() {
-  var options = this.createCustomMapOptions();
+Helper.prototype.createCustomMap = function(project) {
+  var options = this.createCustomMapOptions(project);
   var result = new CustomMap(options);
   return result;
 };