Fatal error: Uncaught Error: Undefined constant "STDOUT" in /home/supratz/www/skyboard-refac/backend/tests/BoardRelationsInvariantCheckerTest.php:49 Stack trace: #0 /home/supratz/www/skyboard-refac/backend/tests/BoardRelationsInvariantCheckerTest.php(219): BoardRelationsInvariantCheckerTest->run() #1 {main} thrown in /home/supratz/www/skyboard-refac/backend/tests/BoardRelationsInvariantCheckerTest.php on line 49