patch 8.1.0523: opening window from quickfix leaves empty buffer behind commit https://github.com/vim/vim/commit/b244373becbec124bee20dbbfd05365586cda8cd Author: Bram Moolenaar <Bram@vim.org> Date: Sun Nov 11 22:50:27 2018 +0100 patch 8.1.0523: opening window from quickfix leaves empty buffer behind Problem: Opening window from quickfix leaves empty buffer behind. Solution: Add qf_jump_newwin(). (Yegappan Lakshmanan, closes https://github.com/vim/vim/issues/2574)

" 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