minor #3292 PHPUnit - set memory limit (veewee)
minor #3292 PHPUnit - set memory limit (veewee)

This PR was merged into the 2.2 branch.

Discussion
----------

PHPUnit - set memory limit

This PR removes the circle-ci memory issue. (As discussed in #3276)

Commits
-------

35c77b3b PHPUnit - set memory limit

SpacePossum/PHP-CS-Fixer,GrahamCampbell/PHP-CS-Fixer,SpacePossum/PHP-CS-Fixer,kubawerlos/PHP-CS-Fixer,kubawerlos/PHP-CS-Fixer,Slamdunk/PHP-CS-Fixer,keradus/PHP-CS-Fixer,gharlan/PHP-CS-Fixer,GrahamCampbell/PHP-CS-Fixer,FriendsOfPHP/PHP-CS-Fixer,gharlan/PHP-CS-Fixer,FriendsOfPHP/PHP-CS-Fixer,keradus/PHP-CS-Fixer,Slamdunk/PHP-CS-Fixer