patch 8.1.0711: test files still use function! commit https://github.com/vim/vim/commit/1e1153600c0377472d62cc553173fe555ddcf5a7 Author: Bram Moolenaar <Bram@vim.org> Date: Wed Jan 9 23:01:02 2019 +0100 patch 8.1.0711: test files still use function! Problem: Test files still use function!. Solution: Remove the exclamation mark. Fix overwriting a function.

" Test feedkeys() function.

func Test_feedkeys_x_with_empty_string()
  new
  call feedkeys("ifoo\<Esc>")
  call assert_equal('', getline('.'))
  call feedkeys('', 'x')
  call assert_equal('foo', getline('.'))

  " check it goes back to normal mode immediately.
  call feedkeys('i', 'x')
  call assert_equal('foo', getline('.'))
  quit!
endfunc