--- a/dom/imptests/webapps/WebStorage/tests/submissions/Infraware/test_event_session_storagearea.html
+++ b/dom/imptests/webapps/WebStorage/tests/submissions/Infraware/test_event_session_storagearea.html
@@ -21,16 +21,17 @@
             var t = async_test("storageArea property test of session event");
             function onStorageEvent(event) {
                 t.step(function() {
                     assert_equals(event.storageArea.length, 1);
                     var key = event.storageArea.key(0);
                     var value = event.storageArea.getItem(key);
                     assert_equals(key, "name");
                     assert_equals(value, "user1");
+                    event.storageArea.clear("name");
                 });
                 t.done();
             }
 
             window.addEventListener('storage', onStorageEvent, false);
 
             var el = document.createElement("iframe");
             el.setAttribute('id', 'ifrm');