Re: [webmessaging-tests] Add BroadcastChannel tests. (#4237)

Notifying @Ms2ger, @aogilvie, @jdm, @plehegar, and @zqzhang. *([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/4237#issuecomment-262344082

Received on Tuesday, 22 November 2016 19:42:32 UTC