def test_change_list_add_items(self):
        changed = self._add_list_test_helper('alice, bob', 'carol, dave')
        self.assertEqual(changed, 'alice, bob, carol, dave')
URI-decode and then JSON-decode the given document.
dataset/ETHPy150Open edgewall/trac/trac/ticket/tests/batch.py/BatchModifyTestCase.test_change_list_add_items--crossover with--dataset/ETHPy150Open Yelp/mrjob/mrjob/iam.py/_unquote_json