Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in E:\install\laragon\www\extranet_dispharma_RepPharma\vendor\laravel\framework\tests\Support\SupportCarbonTest.php:12 Stack trace: #0 {main} thrown in E:\install\laragon\www\extranet_dispharma_RepPharma\vendor\laravel\framework\tests\Support\SupportCarbonTest.php on line 12