Test suite for nginx.Use prove to run tests as one usually do for perl tests.  Individual testsmay be run as well.Note: tests run nginx (and backend daemons if needed) listening on localhostand may use various ports in 8000 .. 8999 range.Usage:    $ TEST_NGINX_BINARY=/path/to/nginx prove .By default tests expect nginx binary to be at ../nginx/objs/nginx.Environment variables:TEST_NGINX_BINARY    Sets path to nginx binary to be tested, defaults to "../nginx/objs/nginx".TEST_NGINX_MODULES    Sets path to modules directory, defaults to dirname of TEST_NGINX_BINARY.TEST_NGINX_VERBOSE    Be a bit more verbose (in particular, print requests sent and responses    got from nginx).  Note that this requires prove -v (or HARNESS_VERBOSE).TEST_NGINX_LEAVE    If set, temporary directory with configs and logs won't be deleted on test    completion.  Useful for debugging.TEST_NGINX_CATLOG    Cat error log to stdout after test completion.  Useful for debugging.TEST_NGINX_UNSAFE    Run unsafe tests.TEST_NGINX_GLOBALS    Sets additional directives in main context.TEST_NGINX_GLOBALS_HTTP    Sets additional directives in http context.TEST_NGINX_GLOBALS_STREAM    Sets additional directives in stream context.Happy testing!