Re: [web-animations-tests] Upstream mutable-effects.html from Blink (#3332)

These tests are now available on [w3c-test.org](https://w3c-test.org/submissions/3332)

View on GitHub: https://github.com/w3c/web-platform-tests/pull/3332#issuecomment-283887248

Received on Friday, 3 March 2017 07:40:40 UTC