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

These tests are now available on [w3c-test.org](https://w3c-test.org/submissions/5030)

View on GitHub: https://github.com/w3c/web-platform-tests/pull/5030#issuecomment-282941633

Received on Tuesday, 28 February 2017 04:50:53 UTC