+
+ # Bug 30518: Confirm that DST boundaries do not explode.
+ # mock_config does not work here, because of tz vs timezone subroutines
+ my $context = Test::MockModule->new('C4::Context');
+ $context->mock( 'tz', sub {
+ 'Europe/London';
+ });
+ my $bad_date = dt_from_string("2020-09-29T01:15:30", 'iso');
+ $dbtransfer->datesent($bad_date)->store;
+ $dbtransfer->datearrived($bad_date)->store;
+ $dbitem->stage->duration(180)->store;
+ is( $dbitem->needs_advancing, 1, "DST boundary doesn't cause failure." );
+ $context->unmock('tz');
+
+ # Test that missing historical branch transfers do not crash