Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in /disk/www/jkdev.zo/Git-Package-Management/core/components/gpm/vendor/symfony/yaml/Tests/Command/LintCommandTest.php:25 Stack trace: #0 {main} thrown in /disk/www/jkdev.zo/Git-Package-Management/core/components/gpm/vendor/symfony/yaml/Tests/Command/LintCommandTest.php on line 25