Re: [shadow-dom-tests] Add `shadowdom-customelements` tests (#5705)

Notifying @hayatoito, @kojiishi, @rniwa, and @takayoshikochi. *([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/5705#issuecomment-297472477

Received on Wednesday, 26 April 2017 16:49:02 UTC