If someone gives you real faucet litecoin and that means if that was a real litecoin and it's good to hear you gave him your real litecoin address and that makes you can get that litecoin.
You can start to check your address to the litecoin explorer here https://live.blockcypher.com/ltc/
if the guy who has sent litecoin faucet already done and it may appear in your wallet.

It will be appearing in the blockchain/block explorer as a real transaction consider about faucet used the real litecoin as a reward.