'media' attribute is 'all' by default.
Wait until the text "Waiting ..." does not appear in the "Test Result" column below.
| Test Result | Test Assertion |
| Waiting ... | Test passes if the text 'PASS' appears to the left and the text 'Your browser does not support media elements.' does not appear anywhere on this page. |
http://www.w3.org/TR/html5/video.html#the-source-element The default, if the media attribute is omitted, is "all", meaning that by default the media resource is suitable for all media.