In browser I see the redirect, but the setting for immediate expiration does not seem to be respected, in the browser. Are there other steps required?

000-logs

[Sun Apr 10 17:10:51 2016] [debug] GET "/validate/validate_a_petition_page"
[Sun Apr 10 17:10:51 2016] [debug] Routing to controller "Foo::Bar::Controller::Auth" and action "is_logged_in_as_validator"
[Sun Apr 10 17:10:51 2016] [debug] Your secret passphrase needs to be changed
[Sun Apr 10 17:10:51 2016] [debug] Rendering inline template "13a9ce5b82dfd3289d2e60629c92f91f"
[Sun Apr 10 17:10:51 2016] [debug] 403 Forbidden (0.003687s, 271.223/s)
[Sun Apr 10 17:10:51 2016] [debug] Routing to controller "Foo::Bar::Controller::AssetPage" and action "validate_page"
[Sun Apr 10 17:10:51 2016] [info] entering ->validate_page.

010-Foo-Bar

sub startup {
  my $self = shift;
  my $r = $self->routes;
  my $validate = $r->under('/validate')->to('Auth#is_logged_in_as_validator');
  $validate->get('/asset')->to('AssetPage#asset');
}

020-Controller-Auth

sub do_logout {
  my $self = shift;
  $self->session(expires => 1);
  $self->redirect_to('http://www.eample.net');
}