### Description

Airflow Connection testing using airflow CLI would be very useful  , where users can quick add test function to test connection in their applications. It will benefit CLI user to create and test new connections right from instance and reduce time on troubleshooting any connection issue. 

### Use case/motivation

airflow connection testing using airflow CLI , similar function as we have in Airflow CLI. 
example:  airflow connection test "hello_id"

### Related issues

N/A

### Are you willing to submit a PR?

- [ ] Yes I am willing to submit a PR!

### Code of Conduct

- [X] I agree to follow this project's [Code of Conduct](https://github.com/apache/airflow/blob/main/CODE_OF_CONDUCT.md)

"""Single CLI command."""
    name: str
    help: str
    func: Callable
    args: Iterable[Arg]
    description: str | None = None
    epilog: str | None = None
class GroupCommand(NamedTuple):
    """ClI command with subcommands."""
    name: str
    help: str
    subcommands: Iterable
    description: str | None = None
    epilog: str | None = None
CLICommand = Union[ActionCommand, GroupCommand]
DAGS_COMMANDS = (
    ActionCommand(
        name="list",
        help="List all the DAGs",
        func=lazy_load_command("airflow.cli.commands.dag_command.dag_list_dags"),
        args=(ARG_SUBDIR, ARG_OUTPUT, ARG_VERBOSE),
    ),
    ActionCommand(
        name="list-import-errors",
        help="List all the DAGs that have import errors",
        func=lazy_load_command("airflow.cli.commands.dag_command.dag_list_import_errors"),