vim-patch:8.2.5105: test still hangs on MS-Windows

Problem:    Test still hangs on MS-Windows.
Solution:   Skip "nocatch" test the right way.

83497f8758

Co-authored-by: Bram Moolenaar <Bram@vim.org>

src/nvim/testdir/test_retab.vim

@@ -92,11 +92,7 @@ func RetabLoop()
 endfunc
 
 func Test_retab_endless()
-  " FIXME: why does this hang on MS-Windows?
-  CheckNotMSWindows
-
   " inside try/catch we catch the error message
-  new
   call setline(1, "\t0\t")
   let caught = 'no'
   try
@@ -105,20 +101,21 @@ func Test_retab_endless()
     let caught = v:exception
   endtry
   call assert_match('E1240:', caught)
-  bwipe!
+
   set tabstop&
 endfunc
 
 func Test_nocatch_retab_endless()
-  " FIXME: does this hang on MS-Windows?
-  CheckNotMSWindows
+  " FIXME: why does this hang on MS-Windows?  Is got_int reset somewhere?
+  if has('win32')
+    let g:skipped_reason = "does not work on MS-Windows"
+    return
+  endif
 
   " not inside try/catch an interrupt is generated to get out of loops
-  new
   call setline(1, "\t0\t")
   call assert_fails('call RetabLoop()', ['E1240:', 'Interrupted'])
 
-  bwipe!
   set tabstop&
 endfunc