diff --git a/test/old/testdir/test_termcodes.vim b/test/old/testdir/test_termcodes.vim
index a00ea02286..634e174818 100644
--- a/test/old/testdir/test_termcodes.vim
+++ b/test/old/testdir/test_termcodes.vim
@@ -835,10 +835,10 @@ func Test_mouse_alt_leftclick()
   " let &ttymouse = save_ttymouse
   set mousetime& mousemodel&
   " call test_override('no_query_mouse', 0)
-  close!
+  bw!
 endfunc
 
-func Test_xterm_mouse_click_in_fold_columns()
+func Run_test_xterm_mouse_click_in_fold_columns()
   new
   let save_mouse = &mouse
   let save_term = &term
@@ -892,6 +892,15 @@ func Test_xterm_mouse_click_in_fold_columns()
   bwipe!
 endfunc
 
+func Test_xterm_mouse_click_in_fold_columns()
+  call Run_test_xterm_mouse_click_in_fold_columns()
+  set fillchars+=foldclose:▶
+  call Run_test_xterm_mouse_click_in_fold_columns()
+  set fillchars-=foldclose:▶ fillchars+=foldclose:!
+  call Run_test_xterm_mouse_click_in_fold_columns()
+  set fillchars&
+endfunc
+
 " Test for the 'h' flag in the 'mouse' option. Using mouse in the help window.
 func Test_term_mouse_help_window()
   let save_mouse = &mouse