[test-infra] Refined the README.md intro paragraph. (#1552)

• From: Michael[tm] Smith <web-platform-tests-notifications@w3.org>
• Date: Fri, 16 Jan 2015 17:56:05 GMT
• To: public-web-platform-tests-notifications@w3.org
• Message-Id: <<web-platform-tests_issue_1552@w3.org>>

View on GitHub: https://github.com/w3c/web-platform-tests/pull/1552

Received on Friday, 16 January 2015 17:56:12 UTC