Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in /home/ttsadmin/public_html/demo-ecommerceapi.devxportal.com/tests/Unit/ExampleTest.php:7 Stack trace: #0 {main} thrown in /home/ttsadmin/public_html/demo-ecommerceapi.devxportal.com/tests/Unit/ExampleTest.php on line 7