bpo-44515: handle non-refcounted GC in contextlib tests (GH-26910)

Co-authored-by: Łukasz Langa <lukasz@langa.pl>

1 files changed, 9 insertions, 6 deletions

diff --git a/Lib/test/test_contextlib_async.py b/Lib/test/test_contextlib_async.py
index 6a218f9..74fddef 100644
--- a/Lib/test/test_contextlib_async.py
+++ b/Lib/test/test_contextlib_async.py
@@ -1,7 +1,7 @@
 import asyncio
 from contextlib import (
     asynccontextmanager, AbstractAsyncContextManager,
-    AsyncExitStack, nullcontext, aclosing)
+    AsyncExitStack, nullcontext, aclosing, contextmanager)
 import functools
 from test import support
 import unittest
@@ -357,14 +357,17 @@ class AclosingTestCase(unittest.TestCase):
     async def test_aclosing_bpo41229(self):
         state = []
 
-        class Resource:
-            def __del__(self):
+        @contextmanager
+        def sync_resource():
+            try:
+                yield
+            finally:
                 state.append(1)
 
         async def agenfunc():
-            r = Resource()
-            yield -1
-            yield -2
+            with sync_resource():
+                yield -1
+                yield -2
 
         x = agenfunc()
         self.assertEqual(state, [])