Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in /var/www/html/EuriSoftCom/servidor-angular/vendor 8.2 NOT/chillerlan/php-qrcode/tests/Output/QROutputTestAbstract.php:28 Stack trace: #0 {main} thrown in /var/www/html/EuriSoftCom/servidor-angular/vendor 8.2 NOT/chillerlan/php-qrcode/tests/Output/QROutputTestAbstract.php on line 28