Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in /home/kwanzo/public_html/pos.kwanzoballoon.com/vendor/apimatic/jsonmapper/tests/namespacetest/NamespaceTest.php:11 Stack trace: #0 {main} thrown in /home/kwanzo/public_html/pos.kwanzoballoon.com/vendor/apimatic/jsonmapper/tests/namespacetest/NamespaceTest.php on line 11