Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in /home/irishdeedsindex/public_html/blog/concrete/vendor/symfony/config/Tests/Util/XmlUtilsTest.php:17 Stack trace: #0 {main} thrown in /home/irishdeedsindex/public_html/blog/concrete/vendor/symfony/config/Tests/Util/XmlUtilsTest.php on line 17