Re: [webvtt-tests] Add WebVTT IDL tests (#4992)

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/4992#issuecomment-281942281

Received on Thursday, 23 February 2017 09:35:34 UTC