Re: [webvtt-tests] Replace usage of setTimeout with step_timeout in webvtt (#4973)

Notifying @r12a, @silviapfeiffer, and @zcorpan. *([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/4973#issuecomment-281736477

Received on Wednesday, 22 February 2017 17:15:56 UTC