Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in D:\Application\www\E-Tracking\vendor\symfony\translation\Tests\DependencyInjection\TranslationDumperPassTest.php:19 Stack trace: #0 {main} thrown in D:\Application\www\E-Tracking\vendor\symfony\translation\Tests\DependencyInjection\TranslationDumperPassTest.php on line 19