code: def setUp(self) -> None:
      self.box1_list = [1, 1, 3, 3]
      self.box2_list = [2, 2, 4, 2]
      self.box1_array = np.array([1, 1, 3, 3])
      self.box2_array = np.array([2, 2, 4, 2])
      self.box1_tensor = torch.tensor([1, 1, 3, 3])
      self.box2_tensor = torch.tensor([2, 2, 4, 2])
      self.gt = 1
  
imports: import unittest
  import numpy
  import torch
  from mmocr.utils import bbox2poly, bbox_center_distance, bbox_diag_distance, bezier2polygon, is_on_same_line, rescale_bbox, rescale_bboxes, stitch_boxes_into_lines
  from mmocr.utils.bbox_utils import bbox_jitter
label_desc: Use image node_id 1 for calling the TestBoxCenterDistance obj's underlying member method code with example usage: obj.setUp() without return types