Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in C:\xampp\htdocs\retrodex\helpdesk\vendor\symfony\security-core\Test\AccessDecisionStrategyTestCase.php:25 Stack trace: #0 {main} thrown in C:\xampp\htdocs\retrodex\helpdesk\vendor\symfony\security-core\Test\AccessDecisionStrategyTestCase.php on line 25