/**
* @test
*/
public function xmlSerializeMustAppendShippingData()
{
$this->markTestSkipped();
$xml = simplexml_load_string('<?xml version="1.0" encoding="UTF-8"?><test />');
$address = $this->getMock('PHPSC\\PagSeguro\\Customer\\Address', [], [], '', false);
$shipping = new Shipping(Type::TYPE_PAC, $address, '10.31');
$address->expects($this->once())->method('xmlSerialize')->with($this->isInstanceOf('SimpleXMLElement'));
$shipping->xmlSerialize($xml);
$this->assertEquals(1, (string) $xml->shipping->type);
$this->assertEquals(10.31, (string) $xml->shipping->cost);
}