message: refactor: pass wranglerjs output as ref
diff: @@ -223,7 +223,7 @@ mod tests {
  };
  let bundle = Bundle::new_at(out.clone());
  - bundle.write(wranglerjs_output).unwrap();
  + bundle.write(&wranglerjs_output).unwrap();
  assert!(Path::new(&bundle.metadata_path()).exists());
  let contents =
  fs::read_to_string(&bundle.metadata_path()).expect("could not read metadata");
  