NOTE - Some code has been slightly altered to work with newer versions of solidity and enable us to test the level with foundry. Any where this has been done an accompanying comment gives context for why this change was made.
Original Level
https://ethernaut.openzeppelin.com/level/0x0b6F6CE4BCfB70525A31454292017F640C10c768
forge test --match-contract TelephoneTest -vvvv
