patch 8.0.1716: test for term_setsize() does not give a good error message commit https://github.com/vim/vim/commit/ac3e830065f1e54c422cdd2f3157fb35fac27e04 Author: Bram Moolenaar <Bram@vim.org> Date: Sun Apr 15 13:10:44 2018 +0200 patch 8.0.1716: test for term_setsize() does not give a good error message Problem: Test for term_setsize() does not give a good error message. Solution: use assert_inrange().

" 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