Date::Parse falls back to using the local timezone when
it's missing from an email, so only test in a reasonable
TZ (UTC) for server software.
SKIP: {
require_mods('Date::Parse', 1);
+ my $now = time;
+ if (join("\0", gmtime($now)) ne join("\0", localtime($now))) {
+ skip('needs TZ=UTC to test zone-less parsing', 1);
+ }
is_datestamp('Sat, 27 Sep 1997 10:02:32', [875354552, '+0000']);
}