Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in /var/www/html/conquer-online-worktrees/ai-agent-1/tools/obfuscator/vendor/symfony/event-dispatcher/Tests/EventTest.php:21 Stack trace: #0 {main} thrown in /var/www/html/conquer-online-worktrees/ai-agent-1/tools/obfuscator/vendor/symfony/event-dispatcher/Tests/EventTest.php on line 21