assertEquals(1, retrievednodeB.getParents().size());
}
void changeRelationMetadata(String field, boolean autoRetrieve, int autoUpdate, int autoDelete, boolean proxy)
{
ClassDescriptor cld = broker.getClassDescriptor(Node.class);
CollectionDescriptor cod = (CollectionDescriptor) cld.getCollectionDescriptorByName(field);
cod.setLazy(proxy);
cod.setCascadeRetrieve(autoRetrieve);
cod.setCascadingStore(autoUpdate);
cod.setCascadingDelete(autoDelete);
}