patch 8.0.1831: sometimes the quickfix title is incorrectly prefixed with ':' commit https://github.com/vim/vim/commit/8b62e31003693fee4b288e7aea49170f032aeef3 Author: Bram Moolenaar <Bram@vim.org> Date: Sun May 13 15:29:04 2018 +0200 patch 8.0.1831: sometimes the quickfix title is incorrectly prefixed with ':' Problem: Sometimes the quickfix title is incorrectly prefixed with ':'. Solution: Prepend the colon in another way. (Yegappan Lakshmanan, closes #2905)

" 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