Fatal error: Uncaught Error: Class "Tests\TestCase" not found in /www/wwwroot/base.code.treexhd.me/VSCode/laravel/covid/tests/Feature/AuthenticationTest.php:10 Stack trace: #0 {main} thrown in /www/wwwroot/base.code.treexhd.me/VSCode/laravel/covid/tests/Feature/AuthenticationTest.php on line 10