patch 8.2.1240: GUI tests sometimes fail because of translations

Problem:    GUI tests sometimes fail because of translations.
Solution:   Reload the menus without translation. (Taro Muraoka, closes #6486)

src/testdir/runtest.vim

@@ -105,6 +105,13 @@ set nomore
 " Output all messages in English.
 lang mess C
 
+" suppress menu translation
+if has('gui_running') && exists('did_install_default_menus')
+  source $VIMRUNTIME/delmenu.vim
+  set langmenu=none
+  source $VIMRUNTIME/menu.vim
+endif
+
 " Always use forward slashes.
 set shellslash
 

src/version.c

@@ -754,6 +754,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    1240,
 /**/
     1239,
 /**/