This test page includes the vorlon client script. Ensure you are running the Vorlon.JS server, as explained in the Vorlon.JS docs. Then open the Vorlon.JS dashboard and refresh this page.
You can run this QUnit test against this page:
QUnit.test( "Sample test", function( assert ) { assert.ok( document.getElementById("sampleInput").value == "42", "Passed!" ); });