Fatal error: Uncaught Error: Undefined constant "STDOUT" in /home/supratz/www/skyboard-refac/backend/tests/InteractionsExplicitTargetTest.php:20 Stack trace: #0 /home/supratz/www/skyboard-refac/backend/tests/InteractionsExplicitTargetTest.php(146): InteractionsExplicitTargetTest->run() #1 {main} thrown in /home/supratz/www/skyboard-refac/backend/tests/InteractionsExplicitTargetTest.php on line 20