code: def tearDown(self):
      shutil.rmtree(self.TEST_DIR)
  
file_path: scispacy/tests/test_data_util.py
imports: import os
  import unittest
  import shutil
  from scispacy.data_util import read_full_med_mentions, med_mentions_example_iterator, remove_overlapping_entities
  from scispacy.data_util import read_ner_from_tsv
label_desc: Use image node_id 2 for calling the TestDataUtil obj's underlying member method code with example usage: obj.tearDown() without return types