Though it's not desired obviously, when testing pasta you're retrieving it from boiling water. Germs aren't a huge concern.
Beyond that, reusing spoons to taste test is more often done on fictional shows. Cooking shows usually either use different spoons or pour a bit on a saucer and drink from that.
Finally, ignoring all the other ways Afro-Italians exist, some Italian islands are technically part of Africa.
Yes, geologically they are part of the continent of Africa. I think Pantelleria is also part of Africa, but there's still some debate there as it's existence may predate Europe and Africa's breakup.
Beyond that, reusing spoons to taste test is more often done on fictional shows. Cooking shows usually either use different spoons or pour a bit on a saucer and drink from that.
Finally, ignoring all the other ways Afro-Italians exist, some Italian islands are technically part of Africa.