1 This test case simulates a slow network, and starts a web worker thread to write a log message when retrieving media metadata to see if the webkit thread is blocked by media retrieving thread.
2 This test case is for https://bugs.webkit.org/show_bug.cgi?id=80978
4 EXPECTED (video.error == 'null') OK
5 Message from worker thread OK
7 loaded metadata of media file OK