code: def setUp(self):
      self.box_types = box_types.copy()
      self.box_converters = box_converters.copy()
      self._box_type_to_name = _box_type_to_name.copy()
  
file_path: mmdetection/tests/test_structures/test_bbox/test_box_type.py
imports: from unittest import TestCase
  from unittest.mock import MagicMock
  import torch
  from mmdet.structures.bbox.box_type import _box_type_to_name, box_converters, box_types, convert_box_type, get_box_type, register_box, register_box_converter
  from .utils import ToyBaseBoxes
label_desc: Use image node_id 1 for calling the TestBoxType obj's underlying member method code with example usage: obj.setUp() without return types