Fatal error: Uncaught Error: Class "Tests\TestCase" not found in /www/wwwroot/base.code.treexhd.me/VSCode/laravel/checkwho/tests/Feature/RegistrationTest.php:9 Stack trace: #0 {main} thrown in /www/wwwroot/base.code.treexhd.me/VSCode/laravel/checkwho/tests/Feature/RegistrationTest.php on line 9