public function testTimezone()
{
$akl = new \DateTime('2014-01-01 13:00:00', new \DateTimeZone('Pacific/Auckland'));
$utc = new \DateTime('2014-01-01 00:00:00', new \DateTimeZone('UTC'));
$this->claim->setValue($akl);
$this->assertSame($utc->getTimestamp(), $this->claim->getValue());
}