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