code: def test_cli_connection_get_invalid(self):
      with pytest.raises(
          SystemExit, match=re.escape("Connection not found.")
      ):
          connection_command.connections_get(
              self.parser.parse_args(["connections", "get", "INVALID"])
          )
  
imports: from __future__ import annotations
  import json
  import os
  import re
  import shlex
  import warnings
  from contextlib import redirect_stdout
  from io import StringIO
  from unittest import mock
  import pytest
  from airflow.cli import cli_config, cli_parser
  from airflow.cli.commands import connection_command
  from airflow.exceptions import AirflowException
  from airflow.models import Connection
  from airflow.utils.db import merge_conn
  from airflow.utils.session import create_session, provide_session
  from tests.test_utils.db import clear_db_connections
label_desc: Use image node_id 3 for calling the TestCliGetConnection obj's underlying member method code with example usage: obj.test_cli_connection_get_invalid() without return types