These specs are designed to run inside the mobile device that implements it - it will fail in the DESKTOP browser.
These set of tests is designed to be used with PhoneGap. You should initialize a fresh PhoneGap repository (git clone git://github.com/phonegap/phonegap.git) and then toss these files into the www or assets folder, replacing the contents. Make sure you include phonegap.js - each platform directory in the PhoneGap repository has a build or make file, which will create a phonegap.js file for you (and in most cases copy it into the www or assets folder).
The goal is to test mobile device functionality inside a mobile browser. Where possible, the PhoneGap API lines up with HTML 5 spec. Maybe down the road we could use this spec for parts of HTML 5, too :)
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