Fatal error: Uncaught Error: Class "Tests\TestCase" not found in /home/cacart/techapp.cacart.ca/backend/tests/Feature/Menu/VariantStructureReadTest.php:11 Stack trace: #0 {main} thrown in /home/cacart/techapp.cacart.ca/backend/tests/Feature/Menu/VariantStructureReadTest.php on line 11