Fatal error: Uncaught Error: Class 'PHPUnit\Framework\TestCase' not found in /home/carenin/public_html/vendor/simplesoftwareio/simple-qrcode/tests/ImageMergeTest.php:7 Stack trace: #0 {main} thrown in /home/carenin/public_html/vendor/simplesoftwareio/simple-qrcode/tests/ImageMergeTest.php on line 7