code: def test_save_files(self, get_operation_processor):
      value_and_expected = [
          ("some/path/*", [os.getcwd() + "/some/path/*"])
      ]
  
      for value, expected in value_and_expected:
          processor = MagicMock()
          get_operation_processor.return_value = processor
  
          with self._exp() as exp:
              path, wait = (
                  self._random_path(),
                  self._random_wait(),
              )
              var = FileSet(exp, path)
              var.upload_files(value, wait=wait)
              processor.enqueue_operation.assert_called_with(
                  UploadFileSet(path, expected, False), wait=wait
              )
  
imports: import os
  import unittest
  from io import BytesIO, StringIO
  from pathlib import Path
  from unittest.mock import PropertyMock
  from mock import MagicMock, patch
  from neptune.attributes.atoms.file import File, FileVal
  from neptune.attributes.file_set import FileSet, FileSetVal
  from neptune.common.utils import IS_WINDOWS
  from neptune.envs import NEPTUNE_CLEAN_INTERNAL_DATA, NEPTUNE_DISABLE_PARENT_DIR_DELETION
  from neptune.internal.operation import UploadFile, UploadFileSet
  from neptune.internal.types.file_types import FileType
  from tests.e2e.utils import tmp_context
  from tests.unit.neptune.new.attributes.test_attribute_base import TestAttributeBase
label_desc: Use image node_id 4 for calling the TestFile obj's underlying member method code with example usage: obj.test_save_files(get_operation_processor) without return types