Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in C:\xampp\htdocs\OFFLINE\Uawa\laravel-version\laravel\vendor\symfony\contracts\Tests\Translation\TranslatorTest.php:31 Stack trace: #0 {main} thrown in C:\xampp\htdocs\OFFLINE\Uawa\laravel-version\laravel\vendor\symfony\contracts\Tests\Translation\TranslatorTest.php on line 31