tests fixed

frontend-js/src/main/js/GuiConnector.js

@@ -114,10 +114,14 @@ GuiConnector.prototype.init = function () {
    * @private
    */
   self._configuration = null;
-  return ServerConnector.getConfiguration().then(function (configuration) {
-    self._configuration = configuration;
-  })
-};
+  if (ServerConnector !== undefined) {
+    return ServerConnector.getConfiguration().then(function (configuration) {
+      self._configuration = configuration;
+    });
+  } else {
+    return Promise.resolve();
+  }
+}
 
 
 var newUrl = "";