check_added_monitors!(nodes[0], 1);
pass_along_route(&nodes[0], &[&[&nodes[1], &nodes[2]]], 40_000, payment_hash_success, payment_secret_success);
claim_payment(&nodes[0], &[&nodes[1], &nodes[2]], payment_preimage_success);
check_added_monitors!(nodes[0], 1);
pass_along_route(&nodes[0], &[&[&nodes[1], &nodes[2]]], 40_000, payment_hash_success, payment_secret_success);
claim_payment(&nodes[0], &[&nodes[1], &nodes[2]], payment_preimage_success);