Fatal error: Uncaught Error: Class 'PHPUnit\Framework\TestCase' not found in C:\xampp\htdocs\ApiSigestWin\1.0\vendor\symfony\security-http\Tests\FirewallTest.php:23 Stack trace: #0 {main} thrown in C:\xampp\htdocs\ApiSigestWin\1.0\vendor\symfony\security-http\Tests\FirewallTest.php on line 23