code: def setUp(self):
      super(HotflipIntegrationTest, self).setUp()
      self.hotflip = hotflip.HotFlip()
  
file_path: lit/lit_nlp/components/hotflip_int_test.py
imports: from absl.testing import absltest
  from absl.testing import parameterized
  from lit_nlp.components import hotflip
  from lit_nlp.examples.models import glue_models
  import numpy
  from lit_nlp.lib import file_cache
label_desc: Use image node_id 2 for calling the HotflipIntegrationTest obj's underlying member method code with example usage: obj.setUp() without return types