Fatal error: Uncaught Error: Class "Symfony\Component\Process\Tests\AbstractProcessTest" not found in /home/abazis/apps/projects/vendor/symfony/process/Symfony/Component/Process/Tests/SigchildEnabledProcessTest.php:14 Stack trace: #0 {main} thrown in /home/abazis/apps/projects/vendor/symfony/process/Symfony/Component/Process/Tests/SigchildEnabledProcessTest.php on line 14