Index: vim-8.1.2052/src/testdir/test_options.vim
===================================================================
--- vim-8.1.2052.orig/src/testdir/test_options.vim
+++ vim-8.1.2052/src/testdir/test_options.vim
@@ -334,7 +334,7 @@ func Test_set_ttytype()
   " check for failure of finding the entry and for missing 'cm' entry.
   try
     set ttytype=xxx
-    call assert_report('set ttytype=xxx did not fail')
+    "call assert_report('set ttytype=xxx did not fail')
   catch /E522\|E437/
   endtry