Fix incorrect exception in telegram_bot (home-assistant#162191)

Author: epenet

homeassistant/components/telegram_bot/webhooks.py

@@ -14,7 +14,6 @@
 from homeassistant.components.http import HomeAssistantRequest, HomeAssistantView
 from homeassistant.const import CONF_URL
 from homeassistant.core import HomeAssistant
-from homeassistant.exceptions import ConfigEntryNotReady
 from homeassistant.helpers.network import get_url
 
 from .bot import BaseTelegramBot, TelegramBotConfigEntry
@@ -42,7 +41,7 @@ async def async_setup_bot_platform(
 
     webhook_registered = await pushbot.register_webhook()
     if not webhook_registered:
-        raise ConfigEntryNotReady("Failed to register webhook with Telegram")
+        raise RuntimeError("Failed to register webhook with Telegram")
     _LOGGER.info(
         "[%s %s] Webhook registered with %s",
         bot.username,

tests/components/telegram_bot/test_webhooks.py

@@ -41,7 +41,7 @@ async def test_set_webhooks_failed(
         # first fail with exception, second fail with False
         assert mock_set_webhook.call_count == 2
 
-        # SETUP_ERROR is result of ConfigEntryNotReady("Failed to register webhook with Telegram") in webhooks.py
+        # SETUP_ERROR is result of RuntimeError("Failed to register webhook with Telegram") in webhooks.py
         assert mock_webhooks_config_entry.state is ConfigEntryState.SETUP_ERROR
 
         # test fail after retries