isa_ok($plugin_obj, 'RT::Shredder::Plugin');
my ($status, $msg) = $plugin_obj->LoadByName('Summary');
ok($status, 'loaded summary plugin') or diag "error: $msg";
isa_ok($plugin_obj, 'RT::Shredder::Plugin');
my ($status, $msg) = $plugin_obj->LoadByName('Summary');
ok($status, 'loaded summary plugin') or diag "error: $msg";