check_added_monitors!(nodes[0], 1);
let channel_state = nodes[0].node.channel_state.lock().unwrap();
assert_eq!(channel_state.by_id.len(), 0);
check_added_monitors!(nodes[0], 1);
let channel_state = nodes[0].node.channel_state.lock().unwrap();
assert_eq!(channel_state.by_id.len(), 0);