Adda test case for #1069.
Adda test case for #1069.

zhoucen/gunicorn,elelianghh/gunicorn,tempbottle/gunicorn,mvaled/gunicorn,gtrdotmcs/gunicorn,ephes/gunicorn,keakon/gunicorn,malept/gunicorn,mvaled/gunicorn,harrisonfeng/gunicorn,mvaled/gunicorn,malept/gunicorn,zhoucen/gunicorn,GitHublong/gunicorn,WSDC-NITWarangal/gunicorn,gtrdotmcs/gunicorn,z-fork/gunicorn,gtrdotmcs/gunicorn,tejasmanohar/gunicorn,zhoucen/gunicorn,MrKiven/gunicorn,malept/gunicorn