Re: [infra-tests] Add owner-agnostic stability commenter. (#4651)

- rebased on current master
- removed noop test
- re-added `Browser` as an abstract base class

Thanks, @jgraham.

View on GitHub: https://github.com/w3c/web-platform-tests/pull/4651#issuecomment-277683997

Received on Monday, 6 February 2017 13:42:23 UTC