Re: [XMLHttpRequest-tests][fetch-tests] Ensuring HTTP headers are combined with ',' and not ', ' (#3689)

This complements https://github.com/w3c/web-platform-tests/pull/3646

View on GitHub: https://github.com/w3c/web-platform-tests/pull/3689#issuecomment-246187736

Received on Sunday, 11 September 2016 15:59:48 UTC