patch 8.1.1368: modeline test fails with python but without pythonhome commit https://github.com/vim/vim/commit/e09244ee3567d658c293fb1ae0d47a1a8be870ac Author: Bram Moolenaar <Bram@vim.org> Date: Thu May 23 17:35:55 2019 +0200 patch 8.1.1368: modeline test fails with python but without pythonhome Problem: Modeline test fails with python but without pythonhome. Solution: Correct test argument.

" 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