Re: [infra-tests][url-tests] Check stability raise errors (#4916)

Notifying @Sebmaster, @domenic, @mikewest, @rubys, @sideshowbarker, @smola, @tomalec, @xiaojunwu, 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/4916#issuecomment-280711706

Received on Friday, 17 February 2017 17:21:00 UTC