patch 8.1.1733: the man ftplugin leaves an empty buffer behind commit https://github.com/vim/vim/commit/e5e6950193ddf365c6c507ddefcd7f9db939e5ac Author: Bram Moolenaar <Bram@vim.org> Date: Mon Jul 22 22:09:21 2019 +0200 patch 8.1.1733: the man ftplugin leaves an empty buffer behind Problem: The man ftplugin leaves an empty buffer behind. Solution: Don't make new window and edit, use split. (Jason Franklin)

" 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