Drop test for gh-155433

Author: deadlovelll

Lib/test/test_asyncio/test_taskgroups.py

@@ -1165,27 +1165,6 @@ async def child(tg):
             task = tg.create_task(child(tg))
         self.assertTrue(task.cancelled())
 
-    async def test_taskgroup_cancel_keeps_outer_cancellation(self):
-        # gh-155433: any cancellation from outside the group must propagate.
-        async def child():
-            try:
-                await asyncio.sleep(10)
-            finally:
-                await asyncio.sleep(0.1)
-
-        async def body():
-            async with asyncio.TaskGroup() as tg:
-                tg.create_task(child())
-                await asyncio.sleep(0)
-                tg.cancel()
-
-        task = asyncio.create_task(body())
-        await asyncio.sleep(0.01)
-        task.cancel('message')
-        with self.assertRaises(asyncio.CancelledError) as cm:
-            await task
-        self.assertEqual('message', cm.exception.args[0])
-
     async def test_taskgroup_cancel_before_exception(self):
         async def raise_exc(parent_tg: asyncio.TaskGroup):
             parent_tg.cancel()