Fatal error: Uncaught Error: Class "Tests\TestCase" not found in C:\laragon\htdocs\eloboost24\tests\Feature\SellerRank\DemotionServiceTest.php:26 Stack trace: #0 {main} thrown in C:\laragon\htdocs\eloboost24\tests\Feature\SellerRank\DemotionServiceTest.php on line 26