From 4e8a5f4da857705406dba123bb5818f2951b7953 Mon Sep 17 00:00:00 2001
From: Tim Abbott <tabbott@zulip.com>
Date: Tue, 13 Apr 2021 10:47:35 -0700
Subject: [PATCH] test_signup: Fix test making DNS query to public Internet.

This appears to be the result of our having copied parts of the
previous test without copying its DNS query decorator.
---
 zerver/tests/test_signup.py | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/zerver/tests/test_signup.py b/zerver/tests/test_signup.py
index 4c37066ce7..ae6b69542a 100644
--- a/zerver/tests/test_signup.py
+++ b/zerver/tests/test_signup.py
@@ -4607,7 +4607,11 @@ class UserSignUpTest(InviteUserBase):
         self.assertEqual(result.status_code, 302)
         self.assert_logged_in_user_id(user_profile.id)
 
-    def test_registration_of_active_mirror_dummy_user(self) -> None:
+    @patch(
+        "DNS.dnslookup",
+        return_value=[["sipbtest:*:20922:101:Fred Sipb,,,:/mit/sipbtest:/bin/athena/tcsh"]],
+    )
+    def test_registration_of_active_mirror_dummy_user(self, ignored: Any) -> None:
         """
         Trying to activate an already-active mirror dummy user should
         raise an AssertionError.