my $raw = PublicInbox::Eml->new(\$body);
is($raw->body_raw, $eml->body_raw, 'ISO-2022-JP body unmodified');
$res = $cb->(GET($pfx . '/blah@example.com/t.mbox.gz'));
is(501, $res->code, '501 when overview missing');
like($res->content, qr!\bOverview\b!, 'overview omission noted');
my $raw = PublicInbox::Eml->new(\$body);
is($raw->body_raw, $eml->body_raw, 'ISO-2022-JP body unmodified');
$res = $cb->(GET($pfx . '/blah@example.com/t.mbox.gz'));
is(501, $res->code, '501 when overview missing');
like($res->content, qr!\bOverview\b!, 'overview omission noted');