fixed tests on PHP 5.4+
fixed tests on PHP 5.4+

FriendsOfPHP/uprofiler,pierregoudjo/uprofiler,omeripek/uprofiler,pierregoudjo/uprofiler,FriendsOfPHP/uprofiler,omeripek/uprofiler,pierregoudjo/uprofiler,omeripek/uprofiler,FriendsOfPHP/uprofiler