Fatal error: Uncaught Error: Class 'PHPUnit_Framework_TestSuite' not found in /home/app/htdocs/ninja/vendor/symfony/polyfill-util/LegacyTestListener.php:17 Stack trace: #0 {main} thrown in /home/app/htdocs/ninja/vendor/symfony/polyfill-util/LegacyTestListener.php on line 17