public function dateTimeIsDifferentDependingOnTheTimeZone()
{
$valueObject1 = new Fixtures\TestValueObjectWithDateTimeProperty(new \DateTime('01.01.2013 00:00', new \DateTimeZone('GMT')));
$valueObject2 = new Fixtures\TestValueObjectWithDateTimeProperty(new \DateTime('01.01.2013 00:00', new \DateTimeZone('CEST')));
$valueObject3 = new Fixtures\TestValueObjectWithDateTimeProperty(new \DateTime('01.01.2013 00:00', new \DateTimeZone('GMT')));
$this->assertNotEquals($this->persistenceManager->getIdentifierByObject($valueObject1), $this->persistenceManager->getIdentifierByObject($valueObject2));
$this->assertEquals($this->persistenceManager->getIdentifierByObject($valueObject1), $this->persistenceManager->getIdentifierByObject($valueObject3));
}