patch 8.1.2038: has('vimscript-4') is always 0 Commit: https://github.com/vim/vim/commit/af9143833865a2d8311e57313023271720442f90 Author: Bram Moolenaar <Bram@vim.org> Date: Sun Sep 15 17:49:10 2019 +0200 patch 8.1.2038: has('vimscript-4') is always 0 Problem: has('vimscript-4') is always 0. Solution: Add "vimscript-4" to the feature table. (Naruhiko Nishino, closes #4941)

" 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