public function aClonedEntityWillGetANewIdentifier()
{
$testEntity = new Fixtures\TestEntity();
$firstIdentifier = $this->persistenceManager->getIdentifierByObject($testEntity);
$clonedEntity = clone $testEntity;
$secondIdentifier = $this->persistenceManager->getIdentifierByObject($clonedEntity);
$this->assertNotEquals($firstIdentifier, $secondIdentifier);
}