let node_1_commitment_txn = nodes[1].tx_broadcaster.txn_broadcasted.lock().unwrap();
assert_eq!(node_1_commitment_txn.len(), 3); // ChannelMonitor: 1 offered HTLC-Timeout, ChannelManger: 1 local commitment tx, 1 Offered HTLC-Timeout
assert_eq!(node_1_commitment_txn[1].output.len(), 2); // to-local and Offered HTLC (to-remote is dust)
let node_1_commitment_txn = nodes[1].tx_broadcaster.txn_broadcasted.lock().unwrap();
assert_eq!(node_1_commitment_txn.len(), 3); // ChannelMonitor: 1 offered HTLC-Timeout, ChannelManger: 1 local commitment tx, 1 Offered HTLC-Timeout
assert_eq!(node_1_commitment_txn[1].output.len(), 2); // to-local and Offered HTLC (to-remote is dust)