setting a new cookie value is broken or it was?

cookie.t

use Mojo::Base -strict;

use Test::More;
use Mojolicious::Lite;
use Test::Mojo;

get '/' => sub {
  my $c = shift;
  my $l = $c->cookie('language');
  $c->cookie(language => $l, {expires => time + 60});
  $c->render(text => $l);
};


my $t = Test::Mojo->new();
$t->get_ok('/',
  {Cookie => Mojo::Cookie::Request->new(name => language => value => 'en')})
  ->content_is('en');
$t->get_ok('/',
  {Cookie => Mojo::Cookie::Request->new(name => language => value => 'bg')})
  ->content_is('bg');

done_testing();