'Test the conversion of a StartTransaction object to the network'

def test_to_network(self):

    data = self.start_transaction.to_network()
    self.assertEqual(data[0], self.start_transaction.message_id.trader_id)
    self.assertEqual(data[1], self.start_transaction.message_id.message_number)
    self.assertEqual(data[2], self.start_transaction.transaction_id.trader_id)
    self.assertEqual(data[3], self.start_transaction.transaction_id.transaction_number)
