Fatal error: Uncaught Error: Class "Barryvdh\Cors\Tests\TestCase" not found in C:\Apache24_x64\htdocs\vak_old\vendor\barryvdh\laravel-cors\tests\PreflightTest.php:5 Stack trace: #0 {main} thrown in C:\Apache24_x64\htdocs\vak_old\vendor\barryvdh\laravel-cors\tests\PreflightTest.php on line 5