patch 8.2.0816: terminal test fails when compiled with Athena Commit: https://github.com/vim/vim/commit/87202264f8e27f084c0e58f98aeb27fa5c6d5251 Author: Bram Moolenaar <Bram@vim.org> Date: Sun May 24 17:23:45 2020 +0200 patch 8.2.0816: terminal test fails when compiled with Athena Problem: Terminal test fails when compiled with Athena. Solution: Do give an error when the GUI is not running. (hint by Dominique Pelle, closes #5928, closes #6132)

" Tests for saving/loading a file with some lines ending in
" CTRL-M, some not
func Test_lineending()
  let l = ["this line ends in a\<CR>",
	      \ "this one doesn't",
	      \ "this one does\<CR>",
	      \ "and the last one doesn't"]
  set ta tx
  enew!
  call append(0, l)
  $delete
  write Xfile1
  bwipe Xfile1
  edit Xfile1
  let t = getline(1, '$')
  call assert_equal(l, t)
  new | only
  call delete('Xfile1')
endfunc