def METHOD_NAME(self, source_transaction_list_mock):
    p = PropertyMock(return_value=deepcopy(FAKE_SOURCE_TRANSACTION))
    type(source_transaction_list_mock).auto_paging_iter = p
    # invoke the api_list classmethod
    SourceTransaction.api_list(id=self.source.id)
    source_transaction_list_mock.assert_called_once_with(
        FAKE_SOURCE["id"],
        api_key=djstripe_settings.STRIPE_SECRET_KEY,
    )