'Test the start transaction method'

@blocking_call_on_reactor_thread
def test_start_transaction(self):

    self.market_community.order_manager.order_repository.add(self.order)
    self.market_community.update_ip(TraderId('0'), ('127.0.0.1', 1234))
    self.market_community.start_transaction(self.proposed_trade)
    self.assertEqual(len(self.market_community.transaction_manager.find_all()), 1)
