bpo-37148: Fix asyncio test that check for warning when running the t… · python/cpython@4cdbc45

Original file line number	Diff line number	Diff line change
`@@ -1229,10 +1229,14 @@ def test_eof_feed_when_closing_writer(self):`
`1229`	`1229`	`self.assertEqual(messages, [])`
`1230`	`1230`
`1231`	`1231`	`def test_stream_reader_create_warning(self):`
	`1232`	`+with contextlib.suppress(AttributeError):`
	`1233`	`+del asyncio.StreamReader`
`1232`	`1234`	`with self.assertWarns(DeprecationWarning):`
`1233`	`1235`	`asyncio.StreamReader`
`1234`	`1236`
`1235`	`1237`	`def test_stream_writer_create_warning(self):`
	`1238`	`+with contextlib.suppress(AttributeError):`
	`1239`	`+del asyncio.StreamWriter`
`1236`	`1240`	`with self.assertWarns(DeprecationWarning):`
`1237`	`1241`	`asyncio.StreamWriter`
`1238`	`1242`