pop_l2_to_l1_message
Pop the earliest unpopped l2 to l1 message for the contract. The returned value is a tuple of a the l1 address the message was sent to as a felt252, and the message data as a span. May be called multiple times to pop multiple messages. Useful for testing the contract's l2 to l1 message emission.
Fully qualified path: core::starknet::testing::pop_l2_to_l1_message
pub fn pop_l2_to_l1_message(address: ContractAddress) -> Option<(felt252, Span<felt252>)>