Fatal error: Uncaught Error: Class 'PHPUnit\Framework\TestCase' not found in C:\xampp\htdocs\cfdi_esencial\vendor\chillerlan\php-qrcode\tests\QROptionsTest.php:23 Stack trace: #0 {main} thrown in C:\xampp\htdocs\cfdi_esencial\vendor\chillerlan\php-qrcode\tests\QROptionsTest.php on line 23