Add more uses of @override.

Signed-off-by: Anders Kaseorg <anders@zulip.com>

zulip_bots/zulip_bots/bots/beeminder/test_beeminder.py

@@ -2,6 +2,7 @@ from typing import Final
 from unittest.mock import patch
 
 from requests.exceptions import ConnectionError
+from typing_extensions import override
 
 from zulip_bots.test_file_utils import get_bot_message_handler
 from zulip_bots.test_lib import BotTestCase, DefaultTests, StubBotHandler
@@ -21,6 +22,7 @@ following the syntax shown below :smile:.\n \
 \n* `comment`**:** Add a comment [**NOTE:** Optional field, default is *None*]\
 """
 
+    @override
     def test_bot_responds_to_empty_message(self) -> None:
         with self.mock_config_info(self.normal_config), self.mock_http_conversation(
             "test_valid_auth_token"

zulip_bots/zulip_bots/bots/flock/test_flock.py

@@ -2,6 +2,7 @@ from typing import Final
 from unittest.mock import patch
 
 from requests.exceptions import ConnectionError
+from typing_extensions import override
 
 from zulip_bots.test_lib import BotTestCase, DefaultTests
 
@@ -17,6 +18,7 @@ You can send messages to any Flock user associated with your account from Zulip.
 *Syntax*: **@botname to: message** where `to` is **firstName** of recipient.
 """
 
+    @override
     def test_bot_responds_to_empty_message(self) -> None:
         self.verify_reply("", self.help_message)
 

zulip_bots/zulip_bots/bots/game_of_fifteen/test_game_of_fifteen.py

@@ -1,5 +1,7 @@
 from typing import Dict, Final, List, Tuple
 
+from typing_extensions import override
+
 from zulip_bots.bots.game_of_fifteen.game_of_fifteen import GameOfFifteenModel
 from zulip_bots.game_handler import BadMoveError
 from zulip_bots.test_lib import BotTestCase, DefaultTests
@@ -8,6 +10,7 @@ from zulip_bots.test_lib import BotTestCase, DefaultTests
 class TestGameOfFifteenBot(BotTestCase, DefaultTests):
     bot_name = "game_of_fifteen"
 
+    @override
     def make_request_message(
         self, content: str, user: str = "foo@example.com", user_name: str = "foo"
     ) -> Dict[str, str]:

zulip_bots/zulip_bots/bots/jira/test_jira.py

@@ -1,5 +1,7 @@
 from typing import Final
 
+from typing_extensions import override
+
 from zulip_bots.test_lib import BotTestCase, DefaultTests
 
 
@@ -260,7 +262,7 @@ Jira Bot:
         with self.mock_config_info(self.MOCK_CONFIG_INFO):
             self.verify_reply("help", self.MOCK_HELP_RESPONSE)
 
-    # This overrides the default one in `BotTestCase`.
+    @override
     def test_bot_responds_to_empty_message(self) -> None:
         with self.mock_config_info(self.MOCK_CONFIG_INFO):
             self.verify_reply("", self.MOCK_NOTHING_RESPONSE)

zulip_bots/zulip_bots/bots/merels/merels.py

@@ -1,5 +1,7 @@
 from typing import Any, Final, List
 
+from typing_extensions import override
+
 from zulip_bots.game_handler import GameAdapter, SamePlayerMoveError
 
 from .libraries import database, game, game_data, mechanics
@@ -76,6 +78,7 @@ class MerelsHandler(GameAdapter):
         "description": "Lets you play merels against any player.",
     }
 
+    @override
     def usage(self) -> str:
         return game.get_info()
 

zulip_bots/zulip_bots/bots/twitpost/test_twitpost.py

@@ -1,6 +1,8 @@
 from typing import Final
 from unittest.mock import patch
 
+from typing_extensions import override
+
 from zulip_bots.test_file_utils import get_bot_message_handler, read_bot_fixture_data
 from zulip_bots.test_lib import BotTestCase, DefaultTests, StubBotHandler
 
@@ -15,6 +17,7 @@ class TestTwitpostBot(BotTestCase, DefaultTests):
     }
     api_response = read_bot_fixture_data("twitpost", "api_response")
 
+    @override
     def test_bot_usage(self) -> None:
         bot = get_bot_message_handler(self.bot_name)
         bot_handler = StubBotHandler()
@@ -24,6 +27,7 @@ class TestTwitpostBot(BotTestCase, DefaultTests):
 
         self.assertIn("This bot posts on twitter from zulip chat itself", bot.usage())
 
+    @override
     def test_bot_responds_to_empty_message(self) -> None:
         with self.mock_config_info(self.mock_config):
             self.verify_reply("", "Please check help for usage.")