test for thread_history_display
test for thread_history_display

pjump/rake,envato/rake,tmornini/rake,ipmobiletech/rake,codedogfish/rake,askl56/rake,hsbt/rake,zzak/rake,taiganakagawa/rake,ruby/rake,utilum/rake,esasse/rake,88rabbit/rake,Vanzct/rake,hsbt/rake,jaustinhughey/rake,ruby/rake,envato/rake,bentley/rake