patch 9.1.0064: No Wayland support

Problem:  No Wayland support
Solution: Add Wayland UI support
          (lilydjwg)

closes: #9639

Signed-off-by: lilydjwg <lilydjwg@gmail.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>
diff --git a/src/testdir/test_vim9_builtin.vim b/src/testdir/test_vim9_builtin.vim
index 9af0d07..aa81981 100644
--- a/src/testdir/test_vim9_builtin.vim
+++ b/src/testdir/test_vim9_builtin.vim
@@ -3409,7 +3409,7 @@
   CheckFeature clientserver
   # remote_foreground() doesn't fail on MS-Windows
   CheckNotMSWindows
-  CheckEnv DISPLAY
+  CheckX11
 
   v9.CheckDefAndScriptFailure(['remote_foreground(10)'], ['E1013: Argument 1: type mismatch, expected string but got number', 'E1174: String required for argument 1'])
   assert_fails('remote_foreground("NonExistingServer")', 'E241:')