Cartalyst\Sentinel\Cookies\FuelPHPCookie::forget PHP Метод

    public function forget()
    {
        Cookie::delete($this->key);
    }

 public function testForget()
 {
     $cookie = new FuelPHPCookie('foo');
     $this->assertFalse(isset($_SERVER['__cookie.delete']));
     $cookie->forget();
     $this->assertTrue($_SERVER['__cookie.delete']);
     unset($_SERVER['__cookie.delete']);
 }