Tests that an active FileReader that not prevent entering the back/forward cache. On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE". pageshow - not from cache pagehide - entering cache pageshow - from cache PASS Page did enter and was restored from the page cache PASS Received load event after restoring from the cache PASS Received loadend event PASS successfullyParsed is true TEST COMPLETE