f cleanup test comments some

lightning/src/ln/chanmon_update_fail_tests.rs

@@ -906,8 +906,8 @@ fn do_test_monitor_update_fail_raa(test_ignore_second_cs: bool) {
 	assert!(nodes[1].node.get_and_clear_pending_msg_events().is_empty());
 	check_added_monitors!(nodes[1], 1);
 
-	// Attempt to forward a third payment but fail due to the second channel being unavailable
-	// for forwarding.
+	// Forward a third payment which will also be added to the holding cell, despite the channel
+	// being paused waiting a monitor update.
 	let (_, payment_hash_3, payment_secret_3) = get_payment_preimage_hash!(nodes[2]);
 	{
 		let net_graph_msg_handler = &nodes[0].net_graph_msg_handler;
@@ -922,6 +922,12 @@ fn do_test_monitor_update_fail_raa(test_ignore_second_cs: bool) {
 	commitment_signed_dance!(nodes[1], nodes[0], send_event.commitment_msg, false, true);
 	check_added_monitors!(nodes[1], 0);
 
+	// Call forward_pending_htlcs and check that the new HTLC was simply added to the holding cell
+	// and not forwarded.
+	expect_pending_htlcs_forwardable!(nodes[1]);
+	check_added_monitors!(nodes[1], 0);
+	assert!(nodes[1].node.get_and_clear_pending_events().is_empty());
+
 	let (payment_preimage_4, payment_hash_4) = if test_ignore_second_cs {
 		// Try to route another payment backwards from 2 to make sure 1 holds off on responding
 		let (payment_preimage_4, payment_hash_4, payment_secret_4) = get_payment_preimage_hash!(nodes[0]);
@@ -940,12 +946,6 @@ fn do_test_monitor_update_fail_raa(test_ignore_second_cs: bool) {
 		(Some(payment_preimage_4), Some(payment_hash_4))
 	} else { (None, None) };
 
-	// Call forward_pending_htlcs first to make sure we don't have any issues attempting (and
-	// failing) to forward an HTLC while a channel is still awaiting monitor update restoration.
-	expect_pending_htlcs_forwardable!(nodes[1]);
-	check_added_monitors!(nodes[1], 0);
-	assert!(nodes[1].node.get_and_clear_pending_events().is_empty());
-
 	// Restore monitor updating, ensuring we immediately get a fail-back update and a
 	// update_add update.
 	*nodes[1].chain_monitor.update_ret.lock().unwrap() = Some(Ok(()));