Issue #20682: test_asyncio, _basetest_create_connection() checks also the

sockname, as _basetest_create_ssl_connection().

Lib/test/test_asyncio/test_events.py

@@ -503,6 +503,7 @@ class EventLoopTestsMixin:
         tr, pr = self.loop.run_until_complete(connection_fut)
         self.assertIsInstance(tr, asyncio.Transport)
         self.assertIsInstance(pr, asyncio.Protocol)
+        self.assertIsNotNone(tr.get_extra_info('sockname'))
         self.loop.run_until_complete(pr.done)
         self.assertGreater(pr.nbytes, 0)
         tr.close()