Re: [html-tests] Simplify the setup around the editor state's GetSelectionRange function. (#5351)

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/5351#issuecomment-291545171

Received on Tuesday, 4 April 2017 15:55:32 UTC