pythongh-104461: Run tkinter test_configure_screen on X11 only (pythonGH-104462)

Author: chrstphrchvz

Diff for: Lib/test/test_tkinter/test_widgets.py

@@ -76,6 +76,8 @@ def test_configure_menu(self):
 
     def test_configure_screen(self):
         widget = self.create()
+        if widget._windowingsystem != 'x11':
+            self.skipTest('Not using Tk for X11')
         self.assertEqual(widget['screen'], '')
         try:
             display = os.environ['DISPLAY']

Diff for: Misc/NEWS.d/next/Tests/2023-05-14-03-00-00.gh-issue-104461.Rmex11.rst

@@ -0,0 +1,3 @@
+Run test_configure_screen on X11 only, since the ``DISPLAY``
+environment variable and ``-screen`` option for toplevels
+are not useful on Tk for Win32 or Aqua.