is(PublicInbox::Admin::detect_indexlevel($ro_mirror), $level,
'indexlevel detectable by Admin after xcpdb v' .$v.$level);
delete $ro_mirror->{$_} for (qw(over search));
is(PublicInbox::Admin::detect_indexlevel($ro_mirror), $level,
'indexlevel detectable by Admin after xcpdb v' .$v.$level);
delete $ro_mirror->{$_} for (qw(over search));