Re: selection: Update addRange-nn.html for 20170227 draft. (#5030)

Notifying @ayg. *([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/5030#issuecomment-282941604

Received on Tuesday, 28 February 2017 04:50:36 UTC