It seems strange that there are no test cases for this. Is that normal from nginx? And committed straight to master with no PR - is this a mirror from somewhere

It seems strange that there are no test cases for this. Is that normal from nginx? And committed straight to master with no PR - is this a mirror from somewhere else, or the official repository? Edit: seems it is a mirror from http://hg.nginx.org/nginx/ http://hg.nginx.org/nginx/