Missing Method in XeroOAuth2Controller

Error: The action admin_testNewInstance is not defined in controller XeroOAuth2Controller

Error: Create XeroOAuth2Controller::admin_testNewInstance() in file: app/Controller/XeroOAuth2Controller.php.

<?php
class XeroOAuth2Controller extends AppController {


	public function admin_testNewInstance() {

	}

}

Notice: If you want to customize this error message, create app/View/Errors/missing_action.ctp

Stack Trace