f - Revert commented out assertion

Author: jkczyz

lightning/src/ln/functional_test_utils.rs

@@ -1049,8 +1049,7 @@ macro_rules! expect_payment_failed_with_update {
 				match network_update {
 					&Some(NetworkUpdate::ChannelUpdateMessage { ref msg }) if !$chan_closed => {
 						assert_eq!(msg.contents.short_channel_id, $scid);
-						// TODO: Fails for htlc_fail_async_shutdown
-						//assert_eq!(msg.contents.flags & 2, 0);
+						assert_eq!(msg.contents.flags & 2, 0);
 					},
 					&Some(NetworkUpdate::ChannelClosed { short_channel_id, is_permanent }) if $chan_closed => {
 						assert_eq!(short_channel_id, $scid);