Fatal error: Uncaught Error: Undefined constant "STDOUT" in /home/supratz/www/skyboard-refac/backend/tests/InteractionsAggregationProjectorTest.php:20 Stack trace: #0 /home/supratz/www/skyboard-refac/backend/tests/InteractionsAggregationProjectorTest.php(204): InteractionsAggregationProjectorTest->run() #1 {main} thrown in /home/supratz/www/skyboard-refac/backend/tests/InteractionsAggregationProjectorTest.php on line 20