Fix release tests

Author: michaelsproul

beacon_node/beacon_chain/tests/store_tests.rs

@@ -2341,8 +2341,10 @@ async fn weak_subjectivity_sync_test(slots: Vec<Slot>, checkpoint_slot: Slot) {
 
     let kzg = get_kzg(&spec);
 
-    let mock =
-        mock_execution_layer_from_parts(&harness.spec, harness.runtime.task_executor.clone());
+    let mock = mock_execution_layer_from_parts(
+        harness.spec.clone(),
+        harness.runtime.task_executor.clone(),
+    );
 
     // Initialise a new beacon chain from the finalized checkpoint.
     // The slot clock must be set to a time ahead of the checkpoint state.