[html-tests] Add 3 reference cases for extra (#1485)

• From: liuyun <web-platform-tests-notifications@w3.org>
• Date: Wed, 24 Dec 2014 07:19:11 GMT
• To: public-web-platform-tests-notifications@w3.org
• Message-Id: <<web-platform-tests_issue_1485@w3.org>>

View on GitHub: https://github.com/w3c/web-platform-tests/pull/1485

Received on Wednesday, 24 December 2014 07:19:17 UTC