Update handler test for Nginx (#583)

e2e-tests/llng.psgi

@@ -40,9 +40,6 @@ my %builder = (
 );
 
 sub {
-    if($_[0]->{HOST} =~ /^test/) {
-        $type = 'test';
-    }
     my $type = $_[0]->{LLTYPE} || 'handler';
     return $_apps{$type}->(@_) if ( defined $_apps{$type} );
     if ( defined $builder{$type} ) {

e2e-tests/test-nginx.conf

@@ -29,6 +29,7 @@ server {
 
     include /etc/nginx/fastcgi_params;
     fastcgi_pass unix:__pwd__/e2e-tests/conf/llng.sock;
+    fastcgi_param LLTYPE test;
 
     auth_request_set $headername1 $upstream_http_headername1;
     auth_request_set $headervalue1 $upstream_http_headervalue1;