Fatal error: Uncaught Error: Class 'PHPUnit_Framework_TestCase' not found in /usr/local/www/roundcube/vendor/endroid/qr-code/tests/QrCodeTest.php:17 Stack trace: #0 {main} thrown in /usr/local/www/roundcube/vendor/endroid/qr-code/tests/QrCodeTest.php on line 17