From 9aa936d8929161cba360788c2f9d67b263c8d0b6 Mon Sep 17 00:00:00 2001
From: wjyoung65 <wjyoung65@gmail.com>
Date: Sat, 21 Feb 2026 15:00:06 -0500
Subject: [PATCH] test(ui): failure in lua/ui_spec.lua in headless OS (no GUI)
 #37975

---
 test/functional/lua/ui_spec.lua | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)

diff --git a/test/functional/lua/ui_spec.lua b/test/functional/lua/ui_spec.lua
index 244082fdf2..5da0ddb373 100644
--- a/test/functional/lua/ui_spec.lua
+++ b/test/functional/lua/ui_spec.lua
@@ -143,9 +143,14 @@ describe('vim.ui', function()
         exec_lua [[vim.system = function() return { wait=function() return { code=3 } end } end]]
       end
       if not is_os('bsd') then
-        local rv =
-          exec_lua [[local cmd = vim.ui.open('non-existent-file'); return cmd:wait(100).code]]
-        ok(type(rv) == 'number' and rv ~= 0, 'nonzero exit code', rv)
+        local rv = exec_lua([[
+          local cmd, err = vim.ui.open('non-existent-file')
+          if err then return nil end
+          return cmd:wait(100).code
+        ]])
+        if type(rv) == 'number' then
+          ok(rv ~= 0, 'nonzero exit code', rv)
+        end
       end
 
       exec_lua [[