def test_bot_update_delitem(bot_update: BotUpdate) -> None:
assert bot_update['key3'] == 4
del bot_update['key3']
assert bot_update.get('key3') is None
def test_bot_update_get_item(bot_update: BotUpdate) -> None:
assert bot_update['key2'] == 'str2'
assert bot_update.get('key4') is None