patch 8.0.1267: Test_swap_group may leave file behind commit https://github.com/vim/vim/commit/5842a748be8039fd6d267f5557fe391c6c95399d Author: Bram Moolenaar <Bram@vim.org> Date: Sat Nov 4 22:36:53 2017 +0100 patch 8.0.1267: Test_swap_group may leave file behind Problem: Test_swap_group may leave file behind. Solution: Add a try/finally.

" 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