[tests] do not half-close socket before having received the response (fixes #2688)

From: Stefan Bühler <stbuehler@web.de>

git-svn-id: svn://svn.lighttpd.net/lighttpd/branches/lighttpd-1.4.x@3058 152afb58-edef-0310-8abb-c4023f1b3aa9

tests/LightyTest.pm

@@ -223,7 +223,6 @@ sub handle_http {
 			print $remote $_.$BLANK;
 			diag("\n<< ".$_) if $is_debug;
 		}
-		shutdown($remote, 1); # I've stopped writing data
 	} else {
 		diag("\nsending request header to ".$host.":".$self->{PORT}) if $is_debug;
 		foreach(@request) {