Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in /home/lcanetwork/public_html/qr/vendor/chillerlan/php-qrcode/tests/Common/MaskPatternTest.php:22 Stack trace: #0 {main} thrown in /home/lcanetwork/public_html/qr/vendor/chillerlan/php-qrcode/tests/Common/MaskPatternTest.php on line 22