public function testPostLinkInvalid()
{
$user = ['id' => 1, 'role_id' => 1];
$this->View->set('_authUser', $user);
$url = ['controller' => 'Tags', 'action' => 'delete'];
$result = $this->AuthUserHelper->postLink('Delete <b>Me</b>', $url, ['default' => 'Foo']);
$this->assertSame('Foo', $result);
}