Fatal error: Uncaught Error: Class "Tests\TestCase" not found in D:\programs\xampp\htdocs\blog\vendor\laravel\jetstream\stubs\tests\EmailVerificationTest.php:13 Stack trace: #0 {main} thrown in D:\programs\xampp\htdocs\blog\vendor\laravel\jetstream\stubs\tests\EmailVerificationTest.php on line 13