code: def tearDown(self):
      super(TransductionProblem, self).tearDown()
      # Remove the directory after the test
      shutil.rmtree(self.test_dir)
  
file_path: tensor2tensor/tensor2tensor/data_generators/transduction_problems_test.py
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  import shutil
  import tempfile
  from absl.testing import parameterized
  import numpy
  from tensor2tensor.data_generators import problem
  from tensor2tensor.data_generators import transduction_problems
  import tensorflow.compat.v1
label_desc: Use image node_id 2 for calling the TransductionProblem obj's underlying member method code with example usage: obj.tearDown() without return types