Remove awaitable checks from TestObserver

experiment.py

@@ -0,0 +1,53 @@
+import asyncio
+import os
+from typing import Any, Dict, Union
+
+from aiogram import Bot, types
+from aiogram.api.types import Update
+from aiogram.dispatcher.dispatcher import Dispatcher
+from aiogram.dispatcher.filters.base import BaseFilter
+from aiogram.dispatcher.router import Router
+
+TELEGRAM_TOKEN = os.getenv("TELEGRAM_TOKEN")
+
+
+class Text(BaseFilter):
+    text: str
+
+    async def __call__(self, obj: types.Message) -> Union[bool, Dict[str, Any]]:
+        if obj.text == self.text:
+            return {"text": self.text}
+
+
+dp = Dispatcher()
+router2 = Router()
+router3 = Router()
+dp.include_router(router2)
+router2.include_router(router3)
+dp.message_handler.bind_filter(Text)
+
+
+@dp.message_handler(text="1")
+async def message_handler_1(message: types.Message, bot: Bot):
+    await bot.send_message(chat_id=message.from_user.id, text="PASS: 1")
+
+
+@router2.message_handler(text="2")
+async def message_handler_2(message: types.Message, bot: Bot, text: str):
+    await bot.send_message(chat_id=message.from_user.id, text=f"PASS: {text}")
+
+
+@router3.message_handler(text="3")
+async def message_handler_3(message: types.Message, event_update: Update, bot: Bot):
+    await bot.send_message(
+        chat_id=message.from_user.id, text=event_update.json(skip_defaults=True, by_alias=True)
+    )
+
+
+async def main():
+    async with Bot(TELEGRAM_TOKEN) as bot:
+        await dp.polling(bot=bot)
+
+
+if __name__ == "__main__":
+    asyncio.run(main())