- node = create(:node, :version => 2)
- node_v1 = create(:old_node, :node_id => node.id)
- node_v2 = create(:old_node, :node_id => node.id, :version => 2)
+ node = create(:node, :with_history, :version => 2)
+ node_v1 = node.old_nodes.find_by(:version => 1)
+ node_v2 = node.old_nodes.find_by(:version => 2)