Symfony\Component\HttpFoundation\Response::isForbidden PHP Method

    public function isForbidden()
    {
        return 403 === $this->statusCode;
    }

 public function testIsForbidden()
 {
     $response = new Response('', 403);
     $this->assertTrue($response->isForbidden());
     $response = new Response('', 200);
     $this->assertFalse($response->isForbidden());
 }