[html-tests] Make img sizes parsing test match MQ spec, add more tests (#1283)

http://lists.w3.org/Archives/Public/www-style/2014Oct/0117.html
http://krijnhoetmer.nl/irc-logs/css/20141008#l-293

View on GitHub: https://github.com/w3c/web-platform-tests/pull/1283

Received on Friday, 10 October 2014 09:52:47 UTC