Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in /home/birdezgi/public_html/web/bfbgsym/tests/Unit/Service/UsernameTagServiceTest.php:12 Stack trace: #0 {main} thrown in /home/birdezgi/public_html/web/bfbgsym/tests/Unit/Service/UsernameTagServiceTest.php on line 12