Fix firewall prompts when running tests.

diff --git a/tornado/test/web_test.py b/tornado/test/web_test.py
index 6bd7f44bc5723b0cfd32c0f8fcd89f7ff9bf969e..36312f975a1d747b6f7eca18579696abf31793ac 100644 (file)
--- a/tornado/test/web_test.py
+++ b/tornado/test/web_test.py
@@ -2761,5 +2761,5 @@ class HTTPErrorTest(unittest.TestCase):
 class ApplicationTest(AsyncTestCase):
     def test_listen(self):
         app = Application([])
-        server = app.listen(0)
+        server = app.listen(0, address='127.0.0.1')
         server.stop()