Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in /home/trombino/public_html/africa.trombino.org/vendor_new_3/symfony/process/Tests/ProcessTest.php:26 Stack trace: #0 {main} thrown in /home/trombino/public_html/africa.trombino.org/vendor_new_3/symfony/process/Tests/ProcessTest.php on line 26