  
  class TestGroupOrdered(object):
      def test_group_ordered(self, func):
  
          assert_equal(func(None), None)
          print('Success: ' + func.__name__ + " None case.")
          assert_equal(func([]), [])
          print('Success: ' + func.__name__ + " Empty case.")
          assert_equal(func([1]), [1])
          print('Success: ' + func.__name__ + " Single element case.")
 
</s> remove         assert_equal(func([]), [])
 </s> add         self.assertEqual(func([]), []) </s> remove class TestGroupOrdered(object):
 </s> add class TestGroupOrdered(unittest.TestCase): </s> remove         assert_equal(func([1]), [1])
 </s> add         self.assertEqual(func([1]), [1]) </s> remove     "        assert_equal(func(None), None)\n",
 </s> add     "        self.assertEqual(func(None), None)\n", </s> remove     "        assert_equal(func(None), None)\n",
 </s> add     "        self.assertEqual(func(None), None)\n",
        self.assertEqual(func(None), None)
  
  class TestGroupOrdered(object):
      def test_group_ordered(self, func):
  
        self.assertEqual(func(None), None)
          print('Success: ' + func.__name__ + " None case.")
          assert_equal(func([]), [])
          print('Success: ' + func.__name__ + " Empty case.")
          assert_equal(func([1]), [1])
          print('Success: ' + func.__name__ + " Single element case.")
keep keep keep keep replace keep keep keep keep keep
 #273: Remove nose dependency for staging/ (#283) 
staging/sorting_searching/group_ordered/test_group_ordered.py