diff --git a/src/testdir/test_cmdline.vim b/src/testdir/test_cmdline.vim
index e1dbc87..30ded35 100644
--- a/src/testdir/test_cmdline.vim
+++ b/src/testdir/test_cmdline.vim
@@ -1701,6 +1701,8 @@
   CheckScreendump
 
   let lines =<< trim [SCRIPT]
+    " clear the TermResponse autocommand from defaults.vim
+    au! vimStartup TermResponse
     command DoSomething echo 'hello' |set ts=4 |let v = '123' |echo v
     call feedkeys("\r", 't') " for the hit-enter prompt
     set verbose=20