public function testDeleteNonExistentValue()
{
$key = 'delete';
$value = 'deleted';
$path = '/';
$closure = $this->cookie->delete($key);
$this->assertTrue(is_callable($closure));
$params = compact('key');
$result = $closure($this->cookie, $params, null);
$this->assertNull($result);
$this->assertCookie(compact('key', 'value', 'path'));
}