Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in /home/melihata/public_html/vendor/bacon/bacon-qr-code/test/Common/BitMatrixTest.php:10 Stack trace: #0 {main} thrown in /home/melihata/public_html/vendor/bacon/bacon-qr-code/test/Common/BitMatrixTest.php on line 10