code: def test_dgram_not_implemented(self):
      transport = asyncio.DatagramTransport()
  
      self.assertRaises(NotImplementedError, transport.sendto, "data")
      self.assertRaises(NotImplementedError, transport.abort)
  
file_path: cpython/Lib/test/test_asyncio/test_transports.py
imports: import unittest
  from unittest import mock
  import asyncio
  from asyncio import transports
label_desc: Use image node_id 5 for calling the TransportTests obj's underlying member method code with example usage: obj.test_dgram_not_implemented() without return types