public function threeCreatedNodesCanBeRetrievedInSameOrder()
{
$rootNode = $this->context->getRootNode();
$parentNode = $rootNode->createNode('parent');
$node1 = $parentNode->createNode('node1');
$node2 = $parentNode->createNode('node2');
$node3 = $parentNode->createNode('node3');
$this->assertTrue($parentNode->hasChildNodes());
$childNodes = $parentNode->getChildNodes();
$this->assertSameOrder([$node1, $node2, $node3], $childNodes);
$this->persistenceManager->persistAll();
$this->assertTrue($parentNode->hasChildNodes());
$childNodes = $parentNode->getChildNodes();
$this->assertSameOrder([$node1, $node2, $node3], $childNodes);
}