Fatal error: Uncaught Error: Class 'Tests\TestCase' not found in /home/nextgenc/shieldlink.app/inventory/tests/Feature/Departments/Api/UpdateDepartmentsTest.php:10 Stack trace: #0 {main} thrown in /home/nextgenc/shieldlink.app/inventory/tests/Feature/Departments/Api/UpdateDepartmentsTest.php on line 10