Re: [uievents-tests] Fix low risk nullable => non nullable change for NavigatorLanguage.language (#4360)

Notifying @Ms2ger, @jdm, 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/4360#issuecomment-267708045

Received on Friday, 16 December 2016 22:09:52 UTC