diff --git a/platform/commonUI/browse/test/BrowseControllerSpec.js b/platform/commonUI/browse/test/BrowseControllerSpec.js
index ce9296c239..ac695f5ded 100644
--- a/platform/commonUI/browse/test/BrowseControllerSpec.js
+++ b/platform/commonUI/browse/test/BrowseControllerSpec.js
@@ -52,7 +52,7 @@ define(
             beforeEach(function () {
                 mockScope = jasmine.createSpyObj(
                     "$scope",
-                    [ "$on", "$watch" ]
+                    [ "$on", "$watch", "treeSlide" ]
                 );
                 mockRoute = { current: { params: {} } };
                 mockLocation = jasmine.createSpyObj(
@@ -145,6 +145,11 @@ define(
                 );
                 expect(mockScope.navigatedObject).toEqual(mockDomainObject);
             });
+            
+            it("updates boolean", function () {
+//                spyOn(mockScope, 'treeSlide').andCallThrough();
+                mockScope.treeSlide();
+            });
 
             it("releases its navigation listener when its scope is destroyed", function () {
                 expect(mockScope.$on).toHaveBeenCalledWith(