Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in /home/ramassof/backup.ramas.dev/vendor/laravel/framework/tests/Console/Scheduling/CacheEventMutexTest.php:18 Stack trace: #0 {main} thrown in /home/ramassof/backup.ramas.dev/vendor/laravel/framework/tests/Console/Scheduling/CacheEventMutexTest.php on line 18