patch 8.0.1642: running Vim in terminal fails with two windows commit https://github.com/vim/vim/commit/15a1c3fdc19499c267e4dc664aa0de9d65a08cad Author: Bram Moolenaar <Bram@vim.org> Date: Sun Mar 25 18:56:25 2018 +0200 patch 8.0.1642: running Vim in terminal fails with two windows Problem: Running Vim in terminal fails with two windows. Solution: Pass the number of rows to RunVimInTerminal().

" 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