code: def test_normal_directory_name(self):
      content = 'print("Hello from a regular directory")'
      os.makedirs(os.path.join(self.test_dir, "some_test_dir"))
      self.create_file(
          os.path.join("some_test_dir", "sample.py"), content
      )
      loc = count_loc(self.test_dir)
      self.assertEqual(loc, 1)
  
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 12 for calling the TestCountLoc obj's underlying member method code with example usage: obj.test_normal_directory_name() without return types