From 3e6bee2fc60944f9eba24ff77b41e14e385f4540 Mon Sep 17 00:00:00 2001
From: David Szotten <davidszotten@gmail.com>
Date: Sun, 26 Jul 2015 01:28:00 +0200
Subject: [PATCH] fail if snap is removed in the future

---
 testing/test_capture.py | 1 +
 1 file changed, 1 insertion(+)

diff --git a/testing/test_capture.py b/testing/test_capture.py
index 171a920d3..3c7105170 100644
--- a/testing/test_capture.py
+++ b/testing/test_capture.py
@@ -572,6 +572,7 @@ def test_error_during_readouterr(testdir):
         from _pytest.capture import FDCapture
         def bad_snap(self):
             raise Exception('boom')
+        assert FDCapture.snap
         FDCapture.snap = bad_snap
     """)
     result = testdir.runpytest_subprocess(