($nr, $msgs) = $ro_master->recent;
is($nr, 2, '2nd message seen in master');
is_deeply([sort { $a cmp $b } map { $_->{mid} } @$msgs],
($nr, $msgs) = $ro_master->recent;
is($nr, 2, '2nd message seen in master');
is_deeply([sort { $a cmp $b } map { $_->{mid} } @$msgs],