| ALERT: PASS: url fragment is changing asynchronously | |
| ALERT: PASS: scheduled postMessage() before hashchange triggered. | |
| ALERT: PASS: hashchange triggered after postMessage(). | |
| This tests that cross-origin fragment navigations are asynchronous. It does so by scheduling a postMessage before scheduling the navigation. If the navigation is synchronous, the internals API will be able to report the presence of an url fragment immediately. |