Fatal error: Uncaught Error: Class "Tests\TestCase" not found in C:\xampp\htdocs\baliow_inventori\vendor\haruncpi\laravel-id-generator\tests\Unit\IdGenerateTest.php:7 Stack trace: #0 {main} thrown in C:\xampp\htdocs\baliow_inventori\vendor\haruncpi\laravel-id-generator\tests\Unit\IdGenerateTest.php on line 7