From 52b4733f2266431c7fa2867c5f043544180c68f0 Mon Sep 17 00:00:00 2001
From: Robin Raymond <robin@robinraymond.de>
Date: Sun, 8 Apr 2018 16:26:15 +0200
Subject: [PATCH] log failures

---
 tests/extern.nix | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/tests/extern.nix b/tests/extern.nix
index 9aea6a5..86a4750 100644
--- a/tests/extern.nix
+++ b/tests/extern.nix
@@ -306,10 +306,10 @@ import <nixpkgs/nixos/tests/make-test.nix> {
       };
 
       subtest "no warnings or errors", sub {
-          $server->fail("journalctl -u postfix | grep -i error");
-          $server->fail("journalctl -u postfix | grep -i warning");
-          $server->fail("journalctl -u dovecot2 | grep -i error");
-          $server->fail("journalctl -u dovecot2 | grep -i warning");
+          $server->fail("journalctl -u postfix | grep -i error >&2");
+          $server->fail("journalctl -u postfix | grep -i warning >&2");
+          $server->fail("journalctl -u dovecot2 | grep -i error >&2");
+          $server->fail("journalctl -u dovecot2 | grep -i warning >&2");
       };
 
     '';