Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in E:\install\laragon\www\extranet_camed\vendor\laravel\framework\tests\Foundation\Http\Middleware\ConvertEmptyStringsToNullTest.php:10 Stack trace: #0 {main} thrown in E:\install\laragon\www\extranet_camed\vendor\laravel\framework\tests\Foundation\Http\Middleware\ConvertEmptyStringsToNullTest.php on line 10