code: def test_protect_ignore_errors(tmp_dir, dvc, mocker, err):
      tmp_dir.gen("foo", "foo")
  
      mock_chmod = mocker.patch(
          "os.chmod", side_effect=OSError(err, "something")
      )
      dvc.cache.local.protect("foo")
      assert mock_chmod.called
  
file_path: dvc/tests/unit/data/db/test_local.py
imports: import errno
  import os
  import pytest
  from dvc.fs import LocalFileSystem
  from dvc_data.hashfile.db.local import LocalHashFileDB
  from dvc_data.hashfile.hash_info import HashInfo
label_desc: Use image node_id 3 for calling a global function with example usage: test_protect_ignore_errors(tmp_dir, dvc, mocker, err) without return types