Fatal error: Uncaught Error: Class 'PHPUnit\Framework\TestCase' not found in /home/mobiledeit/www_gesmat/vendor/zaporylie/composer-drupal-optimizations/tests/DefaultRequireTest.php:9 Stack trace: #0 {main} thrown in /home/mobiledeit/www_gesmat/vendor/zaporylie/composer-drupal-optimizations/tests/DefaultRequireTest.php on line 9