gistfile1.js

YUI().use('console', 'console-filters', 'test', 'json', function(Y) {

    addTestCase = function(fn) {
        var testCase = new Y.Test.Case(fn(Y.Assert, Y));
        Y.Test.Runner.add(testCase);
    };

    Y.on('domready', function() {

        var yconsole = new Y.Console({
            newestOnTop: true,
            plugins: [Y.Plugin.ConsoleFilters]
        });
        yconsole.render();
        yconsole.get('boundingBox').setStyle('opacity', .5);
        yconsole.filter.hideCategory('pass', 'info');
        Y.Test.Runner.subscribe(Y.Test.Runner.COMPLETE_EVENT, function() {
            yconsole.get('boundingBox').setStyle('opacity', .9);
        });
        Y.Test.Runner.run();


    });

});

addTestCase(function(assert, Y) {

    var something;

    return {

        name: 'Something Test',

        'something instantiation should work': function() {
            something = new Something();
            assert.isNotUndefined(something);
        }

    }
});