patch 8.1.1692: using *{} for literal dict is not backwards compatible commit https://github.com/vim/vim/commit/b8be54dcc517c9d57b62409945b7d4b90b6c3071 Author: Bram Moolenaar <Bram@vim.org> Date: Sun Jul 14 18:22:59 2019 +0200 patch 8.1.1692: using *{} for literal dict is not backwards compatible Problem: Using *{} for literal dict is not backwards compatible. (Yasuhiro Matsumoto) Solution: Use ~{} instead.

" 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