Fatal error: Uncaught Error: Class "PHPUnit_Framework_TestCase" not found in /var/www/html/conquer-online-worktrees/ai-agent-1/tools/obfuscator/vendor/symfony/debug/Tests/ExceptionHandlerTest.php:21 Stack trace: #0 {main} thrown in /var/www/html/conquer-online-worktrees/ai-agent-1/tools/obfuscator/vendor/symfony/debug/Tests/ExceptionHandlerTest.php on line 21