code: def test_should_respond_200(self, session):
      connection_model = Connection(
          conn_id="test-connection-id",
          conn_type="mysql",
          description="test description",
          host="mysql",
          login="login",
          schema="testschema",
          port=80,
          extra="{'param': 'value'}",
      )
      session.add(connection_model)
      session.commit()
      result = session.query(Connection).all()
      assert len(result) == 1
      response = self.client.get(
          "/api/v1/connections/test-connection-id",
          environ_overrides={"REMOTE_USER": "test"},
      )
      assert response.status_code == 200
      assert response.json == {
          "connection_id": "test-connection-id",
          "conn_type": "mysql",
          "description": "test description",
          "host": "mysql",
          "login": "login",
          "schema": "testschema",
          "port": 80,
          "extra": "{'param': 'value'}",
      }
  
imports: from __future__ import annotations
  import os
  from unittest import mock
  import pytest
  from airflow.api_connexion.exceptions import EXCEPTIONS_LINK_MAP
  from airflow.models import Connection
  from airflow.secrets.environment_variables import CONN_ENV_PREFIX
  from airflow.security import permissions
  from airflow.utils.session import provide_session
  from tests.test_utils.api_connexion_utils import assert_401, create_user, delete_user
  from tests.test_utils.config import conf_vars
  from tests.test_utils.db import clear_db_connections
  from tests.test_utils.www import _check_last_log
label_desc: Use image node_id 1 for calling the TestGetConnection obj's underlying member method code with example usage: obj.test_should_respond_200(session) without return types