fn mock_calls(
state: &mut Cheatcodes,
callee: &Address,
cdata: &Bytes,
value: Option<&U256>,
rdata_vec: &[Bytes],
ret_type: InstructionResult,
)
fn mock_calls(
state: &mut Cheatcodes,
callee: &Address,
cdata: &Bytes,
value: Option<&U256>,
rdata_vec: &[Bytes],
ret_type: InstructionResult,
)