nixosTests.keymap: Reorder test cases to make setup more reliable

I've run this test on repeat for hours, so there's reason to be
hopeful.

1 files changed, 10 insertions, 1 deletions

diff --git a/nixos/tests/keymap.nix b/nixos/tests/keymap.nix
index 4306a9ae2cf94..40f4762bed835 100644
--- a/nixos/tests/keymap.nix
+++ b/nixos/tests/keymap.nix
@@ -78,9 +78,18 @@ let
       with open("${pkgs.writeText "tests.json" (builtins.toJSON tests)}") as json_file:
           tests = json.load(json_file)
 
+      # These environments used to run in the opposite order, causing the
+      # following error at openvt startup.
+      #
+      # openvt: Couldn't deallocate console 1
+      #
+      # This error did not appear in successful runs.
+      # I don't know the exact cause, but I it seems that openvt and X are
+      # fighting over the virtual terminal. This does not appear to be a problem
+      # when the X test runs first.
       keymap_environments = {
-          "VT Keymap": "openvt -sw --",
           "Xorg Keymap": "DISPLAY=:0 xterm -title testterm -class testterm -fullscreen -e",
+          "VT Keymap": "openvt -sw --",
       }
 
       machine.wait_for_x()