Fatal error: Uncaught Error: Undefined constant "STDOUT" in /home/supratz/www/skyboard-refac/backend/tests/ProcessRelationsReactorTest.php:18 Stack trace: #0 /home/supratz/www/skyboard-refac/backend/tests/ProcessRelationsReactorTest.php(106): ProcessRelationsReactorTest->run() #1 {main} thrown in /home/supratz/www/skyboard-refac/backend/tests/ProcessRelationsReactorTest.php on line 18