chore: make clippy happy

crates/chain/tests/test_keychain_txout_index.rs

@@ -312,7 +312,7 @@ fn test_wildcard_derivations() {
     let _ = txout_index.reveal_to_target(&TestKeychain::External, 25);
 
     (0..=15)
-        .chain(vec![17, 20, 23].into_iter())
+        .chain([17, 20, 23])
         .for_each(|index| assert!(txout_index.mark_used(&TestKeychain::External, index)));
 
     assert_eq!(txout_index.next_index(&TestKeychain::External), (26, true));

crates/chain/tests/test_tx_graph.rs

@@ -910,18 +910,15 @@ fn test_chain_spends() {
     let _ = graph.insert_tx(tx_1.clone());
     let _ = graph.insert_tx(tx_2.clone());
 
-    [95, 98]
-        .iter()
-        .zip([&tx_0, &tx_1].into_iter())
-        .for_each(|(ht, tx)| {
-            let _ = graph.insert_anchor(
-                tx.txid(),
-                ConfirmationHeightAnchor {
-                    anchor_block: tip.block_id(),
-                    confirmation_height: *ht,
-                },
-            );
-        });
+    for (ht, tx) in [(95, &tx_0), (98, &tx_1)] {
+        let _ = graph.insert_anchor(
+            tx.txid(),
+            ConfirmationHeightAnchor {
+                anchor_block: tip.block_id(),
+                confirmation_height: ht,
+            },
+        );
+    }
 
     // Assert that confirmed spends are returned correctly.
     assert_eq!(