Fatal error: Uncaught Error: Class "Tests\TestCase" not found in C:\laragon\www\backup\old\laetifee_shop\packages\Webkul\Installer\tests\InstallerTestCase.php:7 Stack trace: #0 {main} thrown in C:\laragon\www\backup\old\laetifee_shop\packages\Webkul\Installer\tests\InstallerTestCase.php on line 7