f maybe fix tests on ci?

Author: TheBlueMatt

lightning/src/ln/chanmon_update_fail_tests.rs

@@ -3978,8 +3978,10 @@ fn test_single_channel_multiple_mpp() {
 	let (updates, raa) = get_updates_and_revoke(&nodes[6], &nodes[5].node.get_our_node_id());
 	nodes[5].node.handle_update_fulfill_htlc(node_6_id, &updates.update_fulfill_htlcs[0]);
 	expect_payment_forwarded!(nodes[5], nodes[2], nodes[6], Some(1000), false, false);
-	nodes[5].node.handle_update_fulfill_htlc(node_6_id, &updates.update_fulfill_htlcs[1]);
-	expect_payment_forwarded!(nodes[5], nodes[3], nodes[6], Some(1000), false, false);
+	if let Some(update) = updates.update_fulfill_htlcs.get(1) {
+		nodes[5].node.handle_update_fulfill_htlc(node_6_id, update);
+		expect_payment_forwarded!(nodes[5], nodes[3], nodes[6], Some(1000), false, false);
+	}
 	nodes[5].node.handle_commitment_signed(node_6_id, &updates.commitment_signed);
 	nodes[5].node.handle_revoke_and_ack(node_6_id, &raa);
 	check_added_monitors(&nodes[5], 4);
@@ -3993,6 +3995,10 @@ fn test_single_channel_multiple_mpp() {
 	let (updates, raa) = get_updates_and_revoke(&nodes[6], &nodes[5].node.get_our_node_id());
 	nodes[5].node.handle_update_fulfill_htlc(node_6_id, &updates.update_fulfill_htlcs[0]);
 	expect_payment_forwarded!(nodes[5], nodes[4], nodes[6], Some(1000), false, false);
+	if let Some(update) = updates.update_fulfill_htlcs.get(1) {
+		nodes[5].node.handle_update_fulfill_htlc(node_6_id, update);
+		expect_payment_forwarded!(nodes[5], nodes[3], nodes[6], Some(1000), false, false);
+	}
 	nodes[5].node.handle_commitment_signed(node_6_id, &updates.commitment_signed);
 	nodes[5].node.handle_revoke_and_ack(node_6_id, &raa);
 	check_added_monitors(&nodes[5], 3);