async def test_remove_local_base_tx(self, mock_save_db):
        """
        The swap claim tx does not get broadcast
        we test that txbatcher.find_base_tx() removes the local tx
        """
        self.maxDiff = None
        # create wallet
        wallet = self._create_wallet()
        # mock is_up_to_date
        wallet.adb.is_up_to_date = lambda: True
        # do not broadcast, wait forever
        async def do_wait(x, y):
            await asyncio.sleep(100000000)
        self.network.try_broadcasting = do_wait
        # add swap data
        wallet.adb.db.transactions[SWAPDATA.funding_txid] = tx = Transaction(SWAP_FUNDING_TX)
        wallet.adb.receive_tx_callback(tx, tx_height=1)
        wallet.txbatcher.add_sweep_input('default', SWAP_SWEEP_INFO)
        txbatch = wallet.txbatcher.tx_batches.get('default')
        base_tx = await self._wait_for_base_tx(txbatch)
        self.assertEqual(base_tx.txid(), '80a8cbc42de74cb48a09644c1e438c8b39144bd3b55c574f21d89d05c85fed34')
        await wallet.stop()
        txbatch.batch_inputs.clear()
        wallet.start_network(self.network)
        base_tx = await self._wait_for_base_tx(txbatch, should_be_none=True)
        self.assertEqual(base_tx, None)

        The swap claim tx does not get broadcast
        we test that txbatcher.find_base_tx() removes the local tx
        
tests/test_txbatcher.py