code: def setUp(self):
      self.constrained_beam_search_tester = ConstrainedBeamSearchTester(
          self
      )
  
imports: import unittest
  from transformers import is_torch_available
  from transformers.testing_utils import require_torch, torch_device
  from ..test_modeling_common import floats_tensor, ids_tensor
label_desc: Use image node_id 1 for calling the ConstrainedBeamSearchTest obj's underlying member method code with example usage: obj.setUp() without return types