'Test the retrieval of a specific order'

@blocking_call_on_reactor_thread
def test_get_specific_order(self):

    order_id = OrderId(TraderId('3'), OrderNumber(4))
    self.assertIsNone(self.database.get_order(order_id))
    self.database.add_order(self.order1)
    self.assertIsNotNone(self.database.get_order(order_id))
