Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in /home/alkhalaffamily/public_html/educourses/vendor/symfony/translation/Test/ProviderTestCase.php:30 Stack trace: #0 {main} thrown in /home/alkhalaffamily/public_html/educourses/vendor/symfony/translation/Test/ProviderTestCase.php on line 30