Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in /home/app/htdocs/v2.2.3/vendor/khanamiryan/qrcode-detector-decoder/tests/QrReaderTest.php:8 Stack trace: #0 {main} thrown in /home/app/htdocs/v2.2.3/vendor/khanamiryan/qrcode-detector-decoder/tests/QrReaderTest.php on line 8