patch 8.1.0338: MS-Windows: VTP doesn't work properly with Powershell commit https://github.com/vim/vim/commit/f6ceaf1e058c64775fd46cbdb8962f5c19ef83e0 Author: Bram Moolenaar <Bram@vim.org> Date: Thu Aug 30 17:47:05 2018 +0200 patch 8.1.0338: MS-Windows: VTP doesn't work properly with Powershell Problem: MS-Windows: VTP doesn't work properly with Powershell. Solution: Adjust the color index. (Nobuhiro Takasaki, closes https://github.com/vim/vim/issues/3347)

" Settings for test script execution
" Always use "sh", don't use the value of "$SHELL".
set shell=sh

" Only when the +eval feature is present. 
if 1
  " While some tests overwrite $HOME to prevent them from polluting user files,
  " we need to remember the original value so that we can tell external systems
  " where to ask about their own user settings.
  let g:tester_HOME = $HOME
endif

source setup.vim