code: function(count) {
        count = count || this.INIT_COUNT;
        jsl.status(this.name + ' x ' + count);
        this.running = true;
        var me = this;
        setTimeout(function() {me._run(count);}, 200);
      }
docs: Run the test (in a timeout). We use a timeout to make sure the browser
  has a chance to finish rendering any UI changes we've made, like
  updating the status message.