diff --git a/web/gui/src/main/webapp/tests/app/fw/widget/chartBuilder-spec.js b/web/gui/src/main/webapp/tests/app/fw/widget/chartBuilder-spec.js
index 7780c7f..b500526 100644
--- a/web/gui/src/main/webapp/tests/app/fw/widget/chartBuilder-spec.js
+++ b/web/gui/src/main/webapp/tests/app/fw/widget/chartBuilder-spec.js
@@ -25,10 +25,14 @@
         mockWss = {
             bindHandlers: function () {},
             sendEvent: function () {},
-            unbindHandlers: function () {}
+            unbindHandlers: function () {},
+            _setLoadingDelegate: function(){},
+            isConnected: function() {
+                return true;
+            }
         };
 
-    beforeEach(module('onosWidget', 'onosUtil', 'onosRemote', 'onosSvg'));
+    beforeEach(module('onosWidget', 'onosUtil', 'onosRemote', 'onosSvg', 'onosLayer'));
 
     beforeEach(function () {
         module(function ($provide) {
@@ -71,6 +75,7 @@
         expect(mockObj.scope.requestCallback).not.toBeDefined();
         cbs.buildChart(mockObj);
         expect(mockObj.scope.requestCallback).toBeDefined();
+        mockObj.scope.requestCallback();
         expect(mockWss.sendEvent).toHaveBeenCalled();
     });
 
@@ -88,4 +93,4 @@
         mockObj.scope.$destroy();
         expect(mockWss.unbindHandlers).toHaveBeenCalled();
     });
-}
\ No newline at end of file
+});