add test_compare_blob_lists_created

storage/src/sc_db_utils.rs

@@ -152,5 +152,15 @@ mod tests {
         assert!(!result.is_empty());
     }
 
+    #[test]
+    fn test_compare_blob_lists_created() {
+        let old_list: Vec<DataBlob> = vec![];
+        let new_list: Vec<DataBlob> = vec![[1; SC_DATA_BLOB_SIZE]];
+
+        let changes = compare_blob_lists(&old_list, &new_list);
+        assert_eq!(changes.len(), 1);
+        assert!(matches!(changes[0], DataBlobChangeVariant::Created { .. }));
+    }
+
 
 }