Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in /home/kardi/public_html/vendor2523/chillerlan/php-qrcode/tests/Data/DatainterfaceTestAbstract.php:26 Stack trace: #0 {main} thrown in /home/kardi/public_html/vendor2523/chillerlan/php-qrcode/tests/Data/DatainterfaceTestAbstract.php on line 26