Re: [page-visibility-tests] Added EventHandler definition (#5204)

These tests are now available on [w3c-test.org](https://w3c-test.org/submissions/5204/)

View on GitHub: https://github.com/w3c/web-platform-tests/pull/5204#issuecomment-289131919

Received on Friday, 24 March 2017 20:15:35 UTC