commit https://github.com/vim/vim/commit/641ad6c7ac7367f95fd927b8efa4bf74ddb9ccf3 Author: Bram Moolenaar <Bram@vim.org> Date: Thu Sep 1 18:32:11 2016 +0200 patch 7.4.2301 Problem: MS-Windows: some files remain after testing. Solution: Close the channel output file. Wait for the file handle to be closed before deleting the file.

" Settings for test script execution
" Always use "COMMAND.COM", don't use the value of "$SHELL".
set shell=c:\COMMAND.COM shellquote= shellxquote= shellcmdflag=/c shellredir=>
" This is used only when the +eval feature is available.
if executable("cmd.exe")
   set shell=cmd.exe
endif

source setup.vim