patch 8.2.0789: Vim9: expression testing lost coverage using constants Commit: https://github.com/vim/vim/commit/66b3101672f7da32df2fd3962d7f14300e7a65f3 Author: Bram Moolenaar <Bram@vim.org> Date: Mon May 18 13:38:02 2020 +0200 patch 8.2.0789: Vim9: expression testing lost coverage using constants Problem: Vim9: expression testing lost coverage using constants. Solution: Use a few variables instead of constants.

" 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