From 73a776fbf182f53f250dce8dea31b0342996d249 Mon Sep 17 00:00:00 2001
From: Michael Snoyman <michael@snoyman.com>
Date: Thu, 4 Feb 2016 10:57:56 +0200
Subject: [PATCH] Revert "Revert "Expect test failure ekmett/lens#634""

This reverts commit d1cbcebb58a4c9b96d8d092052d997a8d2367ece.
---
 build-constraints.yaml | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/build-constraints.yaml b/build-constraints.yaml
index aad92c32..633c0389 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -2456,6 +2456,9 @@ expected-test-failures:
     # openfile: does not exist
     - skein
 
+    # https://github.com/ekmett/lens/issues/634
+    - lens
+
 # end of expected-test-failures