patch 8.1.1756: autocommand that splits window messes up window layout commit https://github.com/vim/vim/commit/1417c766f55e5959b31da488417b7d9b141404af Author: Bram Moolenaar <Bram@vim.org> Date: Sat Jul 27 17:31:36 2019 +0200 patch 8.1.1756: autocommand that splits window messes up window layout Problem: Autocommand that splits window messes up window layout. Solution: Disallow splitting a window while closing one. In ":all" give an error when moving a window will not work.

" 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