def run_save_no_changes(self, input_string, expected_string, source_string=None):
        path, resource = self.parse_string(input_string, source_string=source_string)
        resource.save(self.locale)

        self.assert_file_content(path, expected_string)
Sort the current list of items using the key function ``key``. If
dataset/ETHPy150Open mozilla/pontoon/pontoon/sync/tests/formats/__init__.py/FormatTestsMixin.run_save_no_changes--crossover with--dataset/ETHPy150Open ipython/ipython-py3k/IPython/deathrow/igrid.py/IGridGrid.sort