Fatal error: Uncaught RuntimeException: This component has dependencies that are unmet. Please install composer (http://getcomposer.org), and run the following command in the root of this project: php /path/to/composer.phar install After that, you should be able to run tests. in /home/app/htdocs/lidia/vendor/zendframework/zendservice-apple-apns/tests/_autoload.php:7 Stack trace: #0 {main} thrown in /home/app/htdocs/lidia/vendor/zendframework/zendservice-apple-apns/tests/_autoload.php on line 7