code: def setUp(self):
      super().setUp()
      self.TEST_DIR = "/tmp/scispacy"
      os.makedirs(self.TEST_DIR, exist_ok=True)
  
      self.med_mentions = "tests/fixtures/med_mentions.txt"
      self.ner_tsv = "tests/fixtures/ner_test.tsv"
  
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 1 for calling the TestDataUtil obj's underlying member method code with example usage: obj.setUp() without return types