diff --git a/crates/chain/tests/common/mod.rs b/crates/chain/tests/common/mod.rs
index 7d7288bdfc..560f66feef 100644
--- a/crates/chain/tests/common/mod.rs
+++ b/crates/chain/tests/common/mod.rs
@@ -1,6 +1,6 @@
 #[allow(unused_macros)]
 macro_rules! h {
-    ($index:literal) => {{
+    ($index:expr) => {{
         bitcoin::hashes::Hash::hash($index.as_bytes())
     }};
 }
diff --git a/crates/chain/tests/test_tx_graph.rs b/crates/chain/tests/test_tx_graph.rs
index 967b6418c5..109012a76e 100644
--- a/crates/chain/tests/test_tx_graph.rs
+++ b/crates/chain/tests/test_tx_graph.rs
@@ -828,11 +828,11 @@ fn test_inserting_anchor_without_tx() {
     let mut graph = TxGraph::<BlockId>::default();
     let txs = [common::new_tx(0), common::new_tx(1)];
     let chain: LocalChain = (0..=5)
-        .map(|ht| (ht, BlockHash::hash(format!("Block Hash {}", ht).as_bytes())))
+        .map(|i| (i, h!(i.to_string())))
         .collect::<BTreeMap<u32, BlockHash>>()
         .into();
     let tip = chain.tip().unwrap();
-    let additions = graph.insert_anchor_preview(txs[0].txid(), chain.get_block(0).unwrap().clone());
+    let additions = graph.insert_anchor(txs[0].txid(), chain.get_block(0).unwrap().clone());
 
     // Additions should only include the Anchor for the Tx-Block 1 and 2
     assert_eq!(
@@ -845,7 +845,10 @@ fn test_inserting_anchor_without_tx() {
         }
     );
 
-    graph.apply_additions(additions);
+    // graph should be recoverable from additions
+    let mut graph_recovered = TxGraph::<BlockId>::default();
+    graph_recovered.apply_additions(additions);
+    assert_eq!(graph, graph_recovered);
 
     // We can not directly check whether an Anchor is part of a TxGraph
     // so we check if a txid is connected to the correct Anchor / Block.
@@ -856,9 +859,13 @@ fn test_inserting_anchor_without_tx() {
         Confirmed(&chain.get_block(0).unwrap())
     );
 
-    // Add transactions
-    let _ = graph.insert_tx(txs[0].clone());
-    let _ = graph.insert_tx(txs[1].clone());
+    let additions2 = graph.insert_tx(txs[0].clone());
+    let additions3 = graph.insert_tx(txs[1].clone());
+    
+    // graph should be recoverable from additions
+    graph_recovered.apply_additions(additions2);
+    graph_recovered.apply_additions(additions3);
+    assert_eq!(graph, graph_recovered);
 
     // Transaction 0 should have an Anchor
     assert_eq!(