  
      def test_sort_stack(self, stack):
          print('Test: Empty stack')
          sorted_stack = self.get_sorted_stack(stack, [])
          assert_equal(sorted_stack.pop(), None)
  
          print('Test: One element stack')
          sorted_stack = self.get_sorted_stack(stack, [1])
          assert_equal(sorted_stack.pop(), 1)
  
 
</s> remove         assert_equal(sorted_stack.pop(), 1)
 </s> add         self.assertEqual(sorted_stack.pop(), 1) </s> remove     "        assert_equal(sorted_stack.pop(), None)\n",
 </s> add     "        self.assertEqual(sorted_stack.pop(), None)\n", </s> remove     "        assert_equal(sorted_stack.pop(), None)\n",
 </s> add     "        self.assertEqual(sorted_stack.pop(), None)\n", </s> remove     "        assert_equal(sorted_stack.pop(), 1)\n",
 </s> add     "        self.assertEqual(sorted_stack.pop(), 1)\n", </s> remove     "        assert_equal(sorted_stack.pop(), 1)\n",
 </s> add     "        self.assertEqual(sorted_stack.pop(), 1)\n",
        self.assertEqual(sorted_stack.pop(), None)
  
      def test_sort_stack(self, stack):
          print('Test: Empty stack')
          sorted_stack = self.get_sorted_stack(stack, [])
        self.assertEqual(sorted_stack.pop(), None)
  
          print('Test: One element stack')
          sorted_stack = self.get_sorted_stack(stack, [1])
          assert_equal(sorted_stack.pop(), 1)
  
keep keep keep keep replace keep keep keep keep keep
 #273: Remove nose dependency for stacks_queues/ (#276) 
stacks_queues/sort_stack/test_sort_stack.py