code: def test_shared_fs_shortcut_string() -> None:
      shortcut = "/tmp/somewhere"
      with mock.patch(
          "determined.common.storage.SharedFSStorageManager"
      ) as mocked:
          _ = storage.from_string(shortcut)
      mocked.assert_called_once_with(base_path=shortcut)
  
imports: import os
  from typing import Optional
  from unittest import mock
  import pytest
  from determined import core
  from determined.common import storage
label_desc: Use image node_id 10 for calling a global function with example usage: test_shared_fs_shortcut_string() without return types