public function testHstsHeaders($hstsMaxAge, $hstsSubdomains, $hstsPreload, $result)
{
$listener = new ForcedSslListener($hstsMaxAge, $hstsSubdomains, $hstsPreload);
$response = $this->callListenerResp($listener, '/', true);
$this->assertSame($result, $response->headers->get('Strict-Transport-Security'));
}