A healthy habit I now have is to check the seed immediately after backing it up somewhere. On my airgapped computer I do a simulation by restoring the wallet using the backup and checking if the addresses match. This way I am ensured that if I ever really need to restore my wallet, it will work.
I am always doing that, but out of curiousity, do you also send an outgoing transaction? Like some sats to verify that everything works end-to-end? It's just for the paranoids though because if you delete the wallet, recreate it and the address match (or the UTXOs exist), then it's obvious that you 've successfully recovered the wallet.