1 files changed, 6 insertions, 7 deletions
diff --git a/Lib/test/test_asyncio/test_pep492.py b/Lib/test/test_asyncio/test_pep492.py
index a1f27dd..c5e3a5c 100644
--- a/Lib/test/test_asyncio/test_pep492.py
+++ b/Lib/test/test_asyncio/test_pep492.py
@@ -77,13 +77,12 @@ class LockTests(BaseTest):
         async def test(lock):
             await asyncio.sleep(0.01)
             self.assertFalse(lock.locked())
-            with self.assertWarns(DeprecationWarning):
-                with await lock as _lock:
-                    self.assertIs(_lock, None)
-                    self.assertTrue(lock.locked())
-                    await asyncio.sleep(0.01)
-                    self.assertTrue(lock.locked())
-                self.assertFalse(lock.locked())
+            with self.assertRaisesRegex(
+                TypeError,
+                "can't be used in 'await' expression"
+            ):
+                with await lock:
+                    pass
 
         for primitive in primitives:
             self.loop.run_until_complete(test(primitive))