Fatal error: Uncaught Error: Class 'PHPUnit\Framework\TestCase' not found in /home/devypfrfhn/cryptohorses.devyp.fr/vendor/laravel/lumen-framework/src/Testing/TestCase.php:12 Stack trace: #0 {main} thrown in /home/devypfrfhn/cryptohorses.devyp.fr/vendor/laravel/lumen-framework/src/Testing/TestCase.php on line 12