From 88fa50c2f2bbc472fe7169eac8f2a1b2312ef03b Mon Sep 17 00:00:00 2001
From: Uli Baum <xeji@cat3.de>
Date: Mon, 14 May 2018 00:01:15 +0200
Subject: [PATCH] nixos/tests: set default stateVersion in test VMs

... to avoid lots of warnings during eval
introduced by 1f0b6922d3c
---
 nixos/modules/testing/test-instrumentation.nix | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/nixos/modules/testing/test-instrumentation.nix b/nixos/modules/testing/test-instrumentation.nix
index 98da55ed68a..3d46ba72493 100644
--- a/nixos/modules/testing/test-instrumentation.nix
+++ b/nixos/modules/testing/test-instrumentation.nix
@@ -129,6 +129,9 @@ in
     users.extraUsers.root.initialHashedPassword = mkOverride 150 "";
 
     services.xserver.displayManager.job.logToJournal = true;
+
+    # set default stateVersion to avoid warnings during eval
+    system.nixos.stateVersion = mkDefault "18.03";
   };
 
 }