https://usdcfaucet.com to get testnet USDC, https://usdcdemo.layerzero.network/br....
If you don't have testnet goerli eth, use https://faucetlink.to/goerli to get. After bridging from goerli to fuji/avax, Bridge back from fuji to goerli. If you don't have testnet avax, use https://faucet.avax.network to get.