- like($@, qr/Invalid\s+numeric\s+signature\s+at\s+\Q$0\E/, 'numeric signature too small croaks');
- is($wiz3, undef, 'numeric signature too small doesn\'t return anything');
+ like($@, $inv_num_sig, 'numeric signature too small croaks');
+ is($wiz3, undef, 'numeric signature too small doesn\'t return anything');