diff --git a/ace/ace_standard/src/main/js/default/test/animateProps.test.js b/ace/ace_standard/src/main/js/default/test/animateProps.test.js
index 40fcafc92640d9230ba66a76eeddef9d8df040f6..bf0628890b3d156e0c180a54f46d38fdbaed3c4a 100644
--- a/ace/ace_standard/src/main/js/default/test/animateProps.test.js
+++ b/ace/ace_standard/src/main/js/default/test/animateProps.test.js
@@ -133,7 +133,7 @@ describe('toolbarPropsJsTest', function () {
 
         expect(obj.$type).assertEqual(labelName)
         expect(obj.$attrs.id).assertEqual('attributeNamePropNone')
-        expect(obj.$attrs.attributename).assertEqual(undefined')
+        expect(obj.$attrs.attributename).assertEqual(undefined)
         console.info("["+name+"Props] get attributename value is: " + JSON.stringify(obj.$attrs.attributename));
         done();
     });