test: avoid name collisions with Xtest directory (#23019)

1 files changed, 9 insertions, 8 deletions

diff --git a/test/functional/legacy/061_undo_tree_spec.lua b/test/functional/legacy/061_undo_tree_spec.lua
index 1a8ef067d0..b5af8f7d52 100644
--- a/test/functional/legacy/061_undo_tree_spec.lua
+++ b/test/functional/legacy/061_undo_tree_spec.lua
@@ -22,29 +22,30 @@ end
 
 describe('undo tree:', function()
   before_each(clear)
+  local fname = 'Xtest_functional_legacy_undotree'
   teardown(function()
-    os.remove('Xtest.source')
+    os.remove(fname .. '.source')
   end)
 
   describe(':earlier and :later', function()
     before_each(function()
-      os.remove('Xtest')
+      os.remove(fname)
     end)
     teardown(function()
-      os.remove('Xtest')
+      os.remove(fname)
     end)
 
     it('time specifications, g- g+', function()
       -- We write the test text to a file in order to prevent nvim to record
       -- the inserting of the text into the undo history.
-      write_file('Xtest', '\n123456789\n')
+      write_file(fname, '\n123456789\n')
 
       -- `:earlier` and `:later` are (obviously) time-sensitive, so this test
       -- sometimes fails if the system is under load. It is wrapped in a local
       -- function to allow multiple attempts.
       local function test_earlier_later()
         clear()
-        feed_command('e Xtest')
+        feed_command('e ' .. fname)
         -- Assert that no undo history is present.
         eq({}, eval('undotree().entries'))
         -- Delete three characters and undo.
@@ -103,7 +104,7 @@ describe('undo tree:', function()
 
     it('file-write specifications', function()
       feed('ione one one<esc>')
-      feed_command('w Xtest')
+      feed_command('w ' .. fname)
       feed('otwo<esc>')
       feed('otwo<esc>')
       feed_command('w')
@@ -187,7 +188,7 @@ describe('undo tree:', function()
 
   it('undo an expression-register', function()
     local normal_commands = 'o1\027a2\018=string(123)\n\027'
-    write_file('Xtest.source', normal_commands)
+    write_file(fname .. '.source', normal_commands)
 
     feed('oa<esc>')
     feed('ob<esc>')
@@ -221,7 +222,7 @@ describe('undo tree:', function()
       c
       12]])
     feed('od<esc>')
-    feed_command('so! Xtest.source')
+    feed_command('so! ' .. fname .. '.source')
     expect([[
 
       a