Fix hint helper alert

Change-Id: I6e1ac9fa03f62bd25b1139764d727922a5f61c20
diff --git a/dev/js/spec/hintSpec.js b/dev/js/spec/hintSpec.js
index e98b92a..3b07bd9 100644
--- a/dev/js/spec/hintSpec.js
+++ b/dev/js/spec/hintSpec.js
@@ -271,6 +271,14 @@
       expect(hint.alert().active).toBeTruthy();
       expect(hint.active()).toBeTruthy();
 
+      // Show again with the same message
+      expect(hint.alert().active).toBeTruthy();
+      hint.update();
+      expect(hint.alert().active).toBeFalsy();
+      hint.alert().show();
+      expect(hint.alert().active).toBeTruthy();
+      expect(hint.alert().element().textContent).toEqual("That does not work!");
+      
       // Show menu, hide alert!
       hint.show(false);
     });