new_contents: #!/usr/bin/env python
  # -*- coding: utf-8 -*-
  
  import os
  import sys
  import inspect
  import unittest
  
  sys.path.append(os.path.dirname(os.path.dirname(os.path.dirname(
      os.path.abspath(inspect.getfile(inspect.currentframe()))))))
  import pygh
  
  
  class TestPyGh(unittest.TestCase):
      '''
      Tests functions that are available in the :mod:`pygh` module.
      '''
  
      def test_find_exe_in_path(self):
          '''
          Tests that the :func:`pygh.find_exe_in_path` returns a list when
          searching for the :code:`echo` program, which should exist on all
          systems
          '''
          self.assertTrue(pygh.find_exe_in_path('echo'))
  
subject: Add basic unit test support