diff --git a/polkadot/node/network/statement-distribution/src/v2/tests/grid.rs b/polkadot/node/network/statement-distribution/src/v2/tests/grid.rs
index afd89beecfc1..c8a62a432d66 100644
--- a/polkadot/node/network/statement-distribution/src/v2/tests/grid.rs
+++ b/polkadot/node/network/statement-distribution/src/v2/tests/grid.rs
@@ -794,7 +794,7 @@ fn received_acknowledgements_for_locally_confirmed() {
 				)
 				.clone();
 
-			share_statement(&mut overseer, relay_parent, statement).await;
+			send_share_message(&mut overseer, relay_parent, statement).await;
 
 			assert_matches!(
 				overseer.recv().await,
@@ -836,8 +836,9 @@ fn received_acknowledgements_for_locally_confirmed() {
 
 		// Send Backed notification.
 		{
-			back_candidate(&mut overseer, candidate_hash).await;
+			send_backed_message(&mut overseer, candidate_hash).await;
 
+			// We should send out a manifest.
 			assert_matches!(
 				overseer.recv().await,
 				AllMessages:: NetworkBridgeTx(
@@ -879,6 +880,9 @@ fn received_acknowledgements_for_locally_confirmed() {
 		// It's OK, we know they know it because we sent them a manifest.
 		send_ack_from_peer(&mut overseer, peer_c, ack.clone()).await;
 
+		// What happens if we get another valid ack?
+		send_ack_from_peer(&mut overseer, peer_c, ack.clone()).await;
+
 		overseer
 	});
 }
diff --git a/polkadot/node/network/statement-distribution/src/v2/tests/mod.rs b/polkadot/node/network/statement-distribution/src/v2/tests/mod.rs
index 0c32c97e467d..a2f9e8668c3d 100644
--- a/polkadot/node/network/statement-distribution/src/v2/tests/mod.rs
+++ b/polkadot/node/network/statement-distribution/src/v2/tests/mod.rs
@@ -651,7 +651,7 @@ async fn assert_peer_reported(
 	);
 }
 
-async fn share_statement(
+async fn send_share_message(
 	virtual_overseer: &mut VirtualOverseer,
 	relay_parent: Hash,
 	statement: SignedFullStatementWithPVD,
@@ -663,7 +663,10 @@ async fn share_statement(
 		.await;
 }
 
-async fn back_candidate(virtual_overseer: &mut VirtualOverseer, candidate_hash: CandidateHash) {
+async fn send_backed_message(
+	virtual_overseer: &mut VirtualOverseer,
+	candidate_hash: CandidateHash,
+) {
 	virtual_overseer
 		.send(FromOrchestra::Communication {
 			msg: StatementDistributionMessage::Backed(candidate_hash),