Fatal error: Uncaught Error: Class "Test\TestCase" not found in /var/www/html/vendor/sweetrdf/easyrdf/tests/EasyRdf/Literal/DateTimeTest.php:43 Stack trace: #0 {main} thrown in /var/www/html/vendor/sweetrdf/easyrdf/tests/EasyRdf/Literal/DateTimeTest.php on line 43