Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in /var/www/html/casavio-qa2.das24.it/httpdocs/laravel/vendor/google/cloud-core/src/Testing/System/SystemTestCase.php:38 Stack trace: #0 {main} thrown in /var/www/html/casavio-qa2.das24.it/httpdocs/laravel/vendor/google/cloud-core/src/Testing/System/SystemTestCase.php on line 38