Re: [webvtt-tests] Fix bogus expectations in webvtt test media_404_omit_subtitles.html (#4881)

Notifying @r12a and @silviapfeiffer. *([Learn how reviewing works](https://github.com/w3c/web-platform-tests/blob/master/README.md#test-review).)*

View on GitHub: https://github.com/w3c/web-platform-tests/pull/4881#issuecomment-280285185

Received on Thursday, 16 February 2017 09:54:32 UTC