public function testDelete()
{
$this->client->addResponse('DELETE', 'https://api.recurly.com/v2/plans/gold/add_ons/ipaddresses', 'addons/destroy-204.xml');
$addon = Recurly_Addon::get('gold', 'ipaddresses', $this->client);
$this->assertInstanceOf('Recurly_Addon', $addon);
$addon->delete();
}