Re: [fetch-tests] Images are always sniffed (#4356)

Notifying @jdm and @youennf. *([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/4356#issuecomment-267643028

Received on Friday, 16 December 2016 17:06:58 UTC