message: [storage] Fix bug
diff: @@ -270,7 +270,7 @@ mod tests {
  let y: $name = pull_spread_root(&key);
  assert_eq!(x, y);
  push_packed_root(&x, &key2);
  - let z: $name = pull_packed_root(&key);
  + let z: $name = pull_packed_root(&key2);
  assert_eq!(x, z);
  })*
  })
  