Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in /users/ms-it/www/oc/lib/composer/symfony/translation-contracts/Test/TranslatorTest.php:31 Stack trace: #0 {main} thrown in /users/ms-it/www/oc/lib/composer/symfony/translation-contracts/Test/TranslatorTest.php on line 31