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But what for those 10 channels? And with which peers? Between 2 of your testing nodes? If you need quick testing LN nodes, you can always use Rizful nodes (https://rizful.com). These are perfect for this testing scenario.
Or... Put a central BTC core node on a local machine with neutrino activated, then spin up 2-3 LND nodes in the same LAN and point to your local neutrino BTC core node. Done, you have built in few minutes a local lightning "private" network.