Fatal error: Uncaught Error: Class "TestCase" not found in C:\xampp\htdocs\Backend_v.004\vendor\reliese\laravel\tests\Meta\BlueprintTest.php:9 Stack trace: #0 {main} thrown in C:\xampp\htdocs\Backend_v.004\vendor\reliese\laravel\tests\Meta\BlueprintTest.php on line 9