Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in /home/oyaagyug/public_html/vendor/bacon/bacon-qr-code/test/Common/ModeTest.php:9 Stack trace: #0 {main} thrown in /home/oyaagyug/public_html/vendor/bacon/bacon-qr-code/test/Common/ModeTest.php on line 9