code: def test_verbose_output(self):
      content = 'print("Hello")'
      self.create_file("sample.py", content)
      original_stdout = sys.stdout
      sys.stdout = StringIO()
      count_loc(self.test_dir, verbose=1)
      output = sys.stdout.getvalue()
      sys.stdout = original_stdout
      self.assertIn("Count LoCs in", output)
  
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 14 for calling the TestCountLoc obj's underlying member method code with example usage: obj.test_verbose_output() without return types