old_contents: # -*- coding: utf-8 -*-
  
  from __future__ import unicode_literals
  import unittest
  
  import hello_world
  
  
  class HelloWorldTests(unittest.TestCase):
  
      def test_hello_without_name(self):
          self.assertEqual(
              'Hello, World!',
              hello_world.hello()
          )
  
      def test_hello_with_sample_name(self):
          self.assertEqual(
              'Hello, Alice!',
              hello_world.hello('Alice')
          )
  
      def test_hello_with_other_sample_name(self):
          self.assertEqual(
              'Hello, Bob!',
              hello_world.hello('Bob')
          )
  
      def test_hello_with_umlaut_name(self):
          self.assertEqual(
              'Hello, Jürgen!',
              hello_world.hello('Jürgen')
          )
  
  if __name__ == '__main__':
      unittest.main()
  
new_contents: # -*- coding: utf-8 -*-
  
  from __future__ import unicode_literals
  import unittest
  
  import hello_world
  
  
  class HelloWorldTests(unittest.TestCase):
  
      def test_hello_without_name(self):
          self.assertEqual(
              'Hello, World!',
              hello_world.hello()
          )
  
      def test_hello_with_sample_name(self):
          self.assertEqual(
              'Hello, Alice!',
              hello_world.hello('Alice')
          )
  
      def test_hello_with_other_sample_name(self):
          self.assertEqual(
              'Hello, Bob!',
              hello_world.hello('Bob')
          )
  
      def test_hello_with_umlaut_name(self):
          self.assertEqual(
              'Hello, Jürgen!',
              hello_world.hello('Jürgen')
          )
  
      def test_hello_with_blank_name(self):
          self.assertEqual(
              'Hello, World!',
              hello_world.hello('')
          )
  
      def test_hello_with_none_name(self):
          self.assertEqual(
              'Hello, World!',
              hello_world.hello(None)
          )
  
  
  if __name__ == '__main__':
      unittest.main()
  
subject: Add two new test functions to test blank and none names (#362)