Fatal error: Uncaught Error: Class 'PHPUnit\Framework\TestCase' not found in /home/demoinvfsanz/public_html/vendor/dnoegel/php-xdg-base-dir/tests/XdgTest.php:3 Stack trace: #0 {main} thrown in /home/demoinvfsanz/public_html/vendor/dnoegel/php-xdg-base-dir/tests/XdgTest.php on line 3