'Test the retrieval of the balance of a BTC wallet that is not created yet'

def test_btc_balance_no_wallet(self):

    def on_wallet_balance(balance):
        self.assertDictEqual(balance, {'available': 0, 'pending': 0, 'currency': 'BTC'})
    wallet = BitcoinWallet(self.session_base_dir)
    return wallet.get_balance().addCallback(on_wallet_balance)
