add test client:connect forwards socket error
add test client:connect forwards socket error

OptimusLime/lua-websockets,lipp/lua-websockets,lipp/lua-websockets,OptimusLime/lua-websockets,lipp/lua-websockets,KSDaemon/lua-websockets,enginix/lua-websockets,OptimusLime/lua-websockets,enginix/lua-websockets,KSDaemon/lua-websockets,KSDaemon/lua-websockets,enginix/lua-websockets