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