public function testRetrieve()
{
authorizeFromEnv();
$c = Conekta_Charge::create(array('amount' => 2000, 'currency' => 'mxn', 'description' => 'Some desc', 'card' => array('number' => '4242424242424242', 'exp_month' => 5, 'exp_year' => 2015, 'cvc' => 123, 'name' => 'Mario Moreno')));
$d = Conekta_Charge::retrieve($c->id);
$this->assertEqual($d->id, $c->id);
}