is($rw->convert($wc), $jokers, 'do overrides type in new');
$rw->do(add => 'groups');
is($rw->convert($wc), $jok_gr, 'added groups to jokers');
is($rw->convert($wc), $jokers, 'do overrides type in new');
$rw->do(add => 'groups');
is($rw->convert($wc), $jok_gr, 'added groups to jokers');