made TEST 21 in t/location.t less possible to time out when running in the mockeagain(W) + valgrind/mecheck mode.
made TEST 21 in t/location.t less possible to time out when running in the mockeagain(W) + valgrind/mecheck mode.

openresty/echo-nginx-module,openresty/echo-nginx-module,openresty/echo-nginx-module