text: #!/usr/bin/env python
  # -*- coding: latin-1 -*-
  
  from context import demo
  from demo import fetch
  
  import unittest
  
  class TestFetch(unittest.TestCase):
  
  	def test_fetch_ball(self):
  		result = fetch.fetch_ball()
  		expected = "fetch ball"
  		self.assertEqual(result, expected)
  
  if __name__ == '__main__':
  		unittest.main()		