class_docstr: Tests for ConfigDictWithAccessRecord.
code: def test_reset_access_record_nested(self):
      config = debug_utils.ConfigDictWithAccessRecord()
      config.nested = debug_utils.ConfigDictWithAccessRecord()
      config.nested.a = None
      _ = (
          config.nested.a
      )  # Performs config access that should be recorded.
      config.reset_access_record()
      self.assertSetEqual(
          config.get_not_accessed(), {"config.nested.a"}
      )
  
file_path: scenic/scenic/common_lib/tests/test_debug_utils.py
imports: from absl.testing import absltest
  from scenic.common_lib import debug_utils
label_desc: Use image node_id 5 for calling the ConfigDictWithAccessRecordTest obj's underlying member method code with example usage: obj.test_reset_access_record_nested() without return types