code: def setup_method(self):
      db.merge_conn(
          Connection(
              conn_id="default-discord-webhook",
              conn_type="discord",
              host="https://discordapp.com/api/",
              extra='{"webhook_endpoint": "webhooks/00000/some-discord-token_000"}',
          )
      )
  
file_path: airflow/tests/providers/discord/hooks/test_discord_webhook.py
imports: from __future__ import annotations
  import json
  import pytest
  from airflow.exceptions import AirflowException
  from airflow.models import Connection
  from airflow.providers.discord.hooks.discord_webhook import DiscordWebhookHook
  from airflow.utils import db
label_desc: Use image node_id 1 for calling the TestDiscordWebhookHook obj's underlying member method code with example usage: obj.setup_method() without return types