Update fake gutter container interface in gutter-spec.coffee
Update fake gutter container interface in gutter-spec.coffee

PKRoma/atom,liuderchi/atom,AlexxNica/atom,decaffeinate-examples/atom,decaffeinate-examples/atom,FIT-CSE2410-A-Bombs/atom,decaffeinate-examples/atom,atom/atom,brettle/atom,liuderchi/atom,stinsonga/atom,PKRoma/atom,stinsonga/atom,Arcanemagus/atom,PKRoma/atom,andrewleverette/atom,Arcanemagus/atom,andrewleverette/atom,ardeshirj/atom,CraZySacX/atom,t9md/atom,t9md/atom,sotayamashita/atom,liuderchi/atom,ardeshirj/atom,Mokolea/atom,brettle/atom,kevinrenaers/atom,atom/atom,Arcanemagus/atom,FIT-CSE2410-A-Bombs/atom,sotayamashita/atom,sotayamashita/atom,t9md/atom,FIT-CSE2410-A-Bombs/atom,kevinrenaers/atom,atom/atom,kevinrenaers/atom,stinsonga/atom,ardeshirj/atom,andrewleverette/atom,AlexxNica/atom,CraZySacX/atom,brettle/atom,decaffeinate-examples/atom,AlexxNica/atom,liuderchi/atom,stinsonga/atom,Mokolea/atom,CraZySacX/atom,Mokolea/atom