diff --git a/zulip_bots/zulip_bots/bots/link_shortener/test_link_shortener.py b/zulip_bots/zulip_bots/bots/link_shortener/test_link_shortener.py
index fcff3ba..8cf7a5e 100644
--- a/zulip_bots/zulip_bots/bots/link_shortener/test_link_shortener.py
+++ b/zulip_bots/zulip_bots/bots/link_shortener/test_link_shortener.py
@@ -1,55 +1,34 @@
-#!/usr/bin/env python
+from zulip_bots.test_lib import StubBotTestCase
 
-from zulip_bots.test_lib import BotTestCase
-
-class TestLinkShortenerBot(BotTestCase):
+class TestLinkShortenerBot(StubBotTestCase):
     bot_name = "link_shortener"
 
+    def _test(self, message, response):
+        with self.mock_config_info({'key': 'qwertyuiop'}):
+            self.verify_reply(message, response)
+
     def test_bot(self):
-        MESSAGE = 'Shorten https://www.github.com/zulip/zulip please.'
-        RESPONSE = 'https://www.github.com/zulip/zulip: https://goo.gl/6uoWKb'
+        message = 'Shorten https://www.github.com/zulip/zulip please.'
+        response = 'https://www.github.com/zulip/zulip: https://goo.gl/6uoWKb'
 
-        with self.mock_config_info({'key': 'qwertyuiop'}), \
-                self.mock_http_conversation('test_normal'):
-            self.initialize_bot()
-
-            self.assert_bot_response(
-                message = {'content': MESSAGE},
-                response = {'content': RESPONSE},
-                expected_method='send_reply'
-            )
+        with self.mock_http_conversation('test_normal'):
+            self._test(message, response)
 
     def test_bot_empty(self):
-        MESSAGE = 'Shorten nothing please.'
-        RESPONSE = 'No links found. Send "help" to see usage instructions.'
+        message = 'Shorten nothing please.'
+        response = 'No links found. Send "help" to see usage instructions.'
 
         # No `mock_http_conversation` is necessary because the bot will
         # recognize that no links are in the message and won't make any HTTP
         # requests.
-        with self.mock_config_info({'key': 'qwertyuiop'}):
-            self.initialize_bot()
-
-            self.assert_bot_response(
-                message = {'content': MESSAGE},
-                response = {'content': RESPONSE},
-                expected_method='send_reply'
-            )
+        self._test(message, response)
 
     def test_bot_help(self):
-        MESSAGE = 'help'
-        RESPONSE = (
-            'Mention the link shortener bot in a conversation and then enter '
-            'any URLs you want to shorten in the body of the message.'
-        )
+        message = 'help'
+        response = ('Mention the link shortener bot in a conversation and then '
+                    'enter any URLs you want to shorten in the body of the message.')
 
         # No `mock_http_conversation` is necessary because the bot will
         # recognize that the message is 'help' and won't make any HTTP
         # requests.
-        with self.mock_config_info({'key': 'qwertyuiop'}):
-            self.initialize_bot()
-
-            self.assert_bot_response(
-                message = {'content': MESSAGE},
-                response = {'content': RESPONSE},
-                expected_method='send_reply'
-            )
+        self._test(message, response)