This performance test doesn't normally get run...
Fixes: dd7049951c052c54 ("Put the NNTP server name into Xref lines")
$s = IO::Socket::INET->new(%opts);
$s->autoflush(1);
my $buf = $s->getline;
-is($buf, "201 server ready - post via email\r\n", 'got greeting');
+like($buf, qr/\A201 .* ready - post via email\r\n/s, 'got greeting');
my $t = timeit(10, sub {
ok($s->print("GROUP $group\r\n"), 'changed group');