From 8601087cd2e8fe5f35ae129220ccaca6885c6a5b Mon Sep 17 00:00:00 2001
From: Hynek Schlawack <hs@ox.cx>
Date: Wed, 2 Sep 2020 08:10:43 +0200
Subject: [PATCH] Tighten xfail

---
 tests/test_setattr.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tests/test_setattr.py b/tests/test_setattr.py
index 2fc781bf0..9db72c952 100644
--- a/tests/test_setattr.py
+++ b/tests/test_setattr.py
@@ -290,7 +290,7 @@ def __setattr__(self, key, value):
         with pytest.raises(SystemError):
             A().x = 1
 
-    @pytest.mark.xfail
+    @pytest.mark.xfail(raises=attr.exceptions.FrozenAttributeError)
     def test_slotted_confused(self):
         """
         If we have a in-between non-attrs class, setattr reset detection