patch 7.4.1910
Problem:    Tests using external command to delete directory.
Solution:   Use delete().
diff --git a/src/testdir/test_getcwd.in b/src/testdir/test_getcwd.in
index 8c7b24e..e92ea1b 100644
--- a/src/testdir/test_getcwd.in
+++ b/src/testdir/test_getcwd.in
@@ -9,14 +9,6 @@
 :set visualbell
 :set nocp viminfo+=nviminfo
 :"
-:function! DeleteDirectory(dir)
-: if has("win16") || has("win32") || has("win64") || has("dos16") || has("dos32")
-:  exec "silent !rmdir /Q /S " . a:dir
-: else
-:  exec "silent !rm -rf " . a:dir
-: endif
-:endfun
-:"
 :function! GetCwdInfo(win, tab)
 : let tab_changed = 0
 : let mod = ":t"
@@ -42,7 +34,7 @@
 :endfunction
 :" On windows a stale "Xtopdir" directory may exist, remove it so that
 :" we start from a clean state.
-:call DeleteDirectory("Xtopdir")
+:call delete("Xtopdir", "rf")
 :let r=[]
 :new
 :let cwd=getcwd()
@@ -94,7 +86,7 @@
 :call writefile(r, test_out, "a")
 :q
 :exec "cd " . cwd
-:call DeleteDirectory("Xtopdir")
+:call delete("Xtopdir", "rf")
 :qa!
 ENDTEST