Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in C:\xampp\htdocs\reporteGabriel\vendor\firephp\firephp-core\tests\Issues.php:6 Stack trace: #0 {main} thrown in C:\xampp\htdocs\reporteGabriel\vendor\firephp\firephp-core\tests\Issues.php on line 6