Fatal error: Uncaught Error: Class "TestCase" not found in /home/catcoin/public_html/tgadmin/vendor/open-admin-org/open-admin/tests/InstallTest.php:3 Stack trace: #0 {main} thrown in /home/catcoin/public_html/tgadmin/vendor/open-admin-org/open-admin/tests/InstallTest.php on line 3