Fatal error: Uncaught Error: Class "Tests\TestCase" not found in C:\xampp\htdocs\snipe-it-8.3.7\tests\Feature\Assets\Api\StoreAssetTest.php:19 Stack trace: #0 {main} thrown in C:\xampp\htdocs\snipe-it-8.3.7\tests\Feature\Assets\Api\StoreAssetTest.php on line 19