Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in /home/littledr/music.loading-data.com/vendor/symfony/translation/Test/ProviderTestCase.php:30 Stack trace: #0 {main} thrown in /home/littledr/music.loading-data.com/vendor/symfony/translation/Test/ProviderTestCase.php on line 30