code: def setUp(self):
      self.test_dir = "test_directory"
      os.makedirs(self.test_dir, exist_ok=True)
  
imports: import os
  import sys
  from io import StringIO
  from keras.testing import test_case
  from keras.utils.code_stats import count_loc
label_desc: Use image node_id 1 for calling the TestCountLoc obj's underlying member method code with example usage: obj.setUp() without return types