code: function() {
  		if ( window.jQuery ) {
  			jQuery( "#qunit-fixture" ).html( config.fixture );
  		} else {
  			var main = id( 'qunit-fixture' );
  			if ( main ) {
  				main.innerHTML = config.fixture;
  			}
  		}
  	}
docs: Resets the test setup. Useful for tests that modify the DOM.
  
  If jQuery is available, uses jQuery's html(), otherwise just innerHTML.