public function testDelete($contact)
{
$cid = $contact->id;
$uid = $contact->user_id;
$new_contact = new Contact();
$new_user = new User();
$this->assertEquals($cid, $new_contact->find($cid)->id);
$this->assertEquals($uid, $new_user->eq('id', $uid)->find()->id);
$this->assertTrue($contact->user->delete());
$this->assertTrue($contact->delete());
$new_contact = new Contact();
$new_user = new User();
$this->assertFalse($new_contact->eq('id', $cid)->find());
$this->assertFalse($new_user->find($uid));
}