add return value tests
add return value tests

brettle/atom,andrewleverette/atom,ardeshirj/atom,liuderchi/atom,Mokolea/atom,Arcanemagus/atom,liuderchi/atom,atom/atom,stinsonga/atom,stinsonga/atom,liuderchi/atom,ardeshirj/atom,ardeshirj/atom,andrewleverette/atom,atom/atom,t9md/atom,t9md/atom,brettle/atom,atom/atom,Mokolea/atom,andrewleverette/atom,Arcanemagus/atom,brettle/atom,PKRoma/atom,Mokolea/atom,PKRoma/atom,t9md/atom,stinsonga/atom,stinsonga/atom,Arcanemagus/atom,PKRoma/atom,liuderchi/atom