#571 tests should not use user local config

xt/10-sort_port.t

@@ -1,6 +1,10 @@
-#!/usr/bin/perl
+#!/usr/bin/env perl
+
+use strict;
+use warnings;
+
+BEGIN { $ENV{DANCER_ENVDIR} = '/dev/null'; }
 
-use strict; use warnings FATAL => 'all';
 use Test::More 0.88;
 use Test::File::ShareDir::Dist { 'App-Netdisco' => 'share/' };