code: def setUp(self) -> None:
      self.img = torch.rand(1, 32, 32, 100)
  
file_path: mmocr/tests/test_models/test_textrecog/test_plugins/test_gcamodule.py
imports: from unittest import TestCase
  import torch
  from parameterized import parameterized
  from mmocr.models.textrecog.plugins import GCAModule
label_desc: Use image node_id 1 for calling the TestGCAModule obj's underlying member method code with example usage: obj.setUp() without return types