code: def setUp(self):
      self.import_mock = ImporterMocks(
          yaml.safe_load(self._get_mock_fs()),
          self._get_mock_resources(),
      )
      self.arcadia_source_finder = res.ArcadiaSourceFinder(
          TEST_SOURCE_ROOT
      )
  
imports: import stat
  import unittest
  import yaml
  from collections import namedtuple
  from unittest.mock import patch
  from parameterized import parameterized
  import __res
label_desc: Use image node_id 1 for calling the ArcadiaSourceFinderTestCase obj's underlying member method code with example usage: obj.setUp() without return types