my $db = Test::MockModule->new('Koha::Database');
$db->mock( _new_schema => sub { return Schema(); } );
+Koha::Database::flush_schema_cache();
my $libraries = [
['XXX_test', 'my branchname XXX'],
is($issns[0], 'abc', 'Original ISSN passed through even if invalid');
is(scalar(@issns), 1, 'zero additional variations returned of invalid ISSN');
-1;