test: avoid gc-dependent asyncio log assertion

Author: BobTheBuidler

tests/test_internals.py

@@ -1,7 +1,5 @@
 import asyncio
-import gc
 import logging
-import weakref
 from functools import partial
 from unittest import mock
 
@@ -45,8 +43,6 @@ async def test_done_callback_exception() -> None:
 
 
 async def test_done_callback_exception_logs(caplog: pytest.LogCaptureFixture) -> None:
-    task: asyncio.Task[None] | None
-
     caplog.set_level(logging.ERROR, logger="asyncio")
 
     wrapped = _LRUCacheWrapper(mock.ANY, None, False, None)
@@ -58,7 +54,6 @@ async def boom() -> None:
 
     key = object()
     task = loop.create_task(boom())
-    task_ref = weakref.ref(task)
     wrapped._LRUCacheWrapper__cache[key] = _CacheItem(task, None, 1)  # type: ignore[attr-defined]
     task.add_done_callback(partial(wrapped._task_done_callback, key))
 
@@ -67,16 +62,8 @@ async def boom() -> None:
     await asyncio.sleep(0)
 
     assert key not in wrapped._LRUCacheWrapper__cache  # type: ignore[attr-defined]
-
-    caplog.clear()
-
-    task = None
-    gc.collect()
-    await asyncio.sleep(0)
-
-    assert task_ref() is None
-    assert "Task exception was never retrieved" in caplog.text
-    assert "RuntimeError: boom" in caplog.text
+    # asyncio disables logging when exception() is called; keep logging enabled.
+    assert task._log_traceback  # type: ignore[attr-defined]
 
 
 async def test_cache_invalidate_typed() -> None: