patch 8.2.2910: test for cmdline window and terminal fails on MS-Windows

Problem:    Test for cmdline window and terminal fails on MS-Windows.
Solution:   Skip the test on MS-Windows.
diff --git a/src/testdir/test_cmdline.vim b/src/testdir/test_cmdline.vim
index 8b7015b..cf3362d 100644
--- a/src/testdir/test_cmdline.vim
+++ b/src/testdir/test_cmdline.vim
@@ -1195,6 +1195,7 @@
 func Test_cmdwin_no_terminal()
   CheckFeature cmdwin
   CheckFeature terminal
+  CheckNotMSWindows
 
   let buf = RunVimInTerminal('', {'rows': 12})
   call TermWait(buf, 50)