patch 8.0.1653: screen dump is made too soon commit https://github.com/vim/vim/commit/1834d37396e046ccbc4aa2678ba16a38197da6b4 Author: Bram Moolenaar <Bram@vim.org> Date: Thu Mar 29 17:40:46 2018 +0200 patch 8.0.1653: screen dump is made too soon Problem: Screen dump is made too soon. Solution: Wait until the ruler is displayed. (Ozaki Kiichi, closes https://github.com/vim/vim/issues/2755)

--- a/src/testdir/screendump.vim
+++ b/src/testdir/screendump.vim
@@ -59,6 +59,9 @@ func RunVimInTerminal(arguments, options
   let buf = term_start(cmd, {'curwin': 1, 'term_rows': rows, 'term_cols': cols})
   call assert_equal([rows, cols], term_getsize(buf))
 
+  " Wait for the ruler (in the status line) to be shown.
+  call WaitFor({-> len(term_getline(buf, rows)) >= cols - 1})
+
   return buf
 endfunc