code: function( handler ) {
  		var hooks = [];
  
  		// Hooks are ignored on skipped tests
  		if ( this.skip ) {
  			return hooks;
  		}
  
  		if ( this.module.testEnvironment &&
  				QUnit.objectType( this.module.testEnvironment[ handler ] ) === "function" ) {
  			hooks.push( this.queueHook( this.module.testEnvironment[ handler ], handler ) );
  		}
  
  		return hooks;
  	}
docs: Currently only used for module level hooks, can be used to add global level ones