### 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)

ARG_DB_FROM_VERSION = Arg(
    ("--from-version",),
    help="(Optional) If generating sql, may supply a *from* version",
)
ARG_DB_REVISION__DOWNGRADE = Arg(
    ("-r", "--to-revision"),
    help="The Alembic revision to downgrade to. Note: must provide either `--to-revision` or `--to-version`.",
)
ARG_DB_FROM_REVISION = Arg(
    ("--from-revision",),
    help="(Optional) If generating sql, may supply a *from* Alembic revision",
)
ARG_DB_SQL_ONLY = Arg(
    ("-s", "--show-sql-only"),
    help="Don't actually run migrations; just print out sql scripts for offline migration. "
    "Required if using either `--from-revision` or `--from-version`.",
    action="store_true",
    default=False,
)
ARG_DB_SKIP_INIT = Arg(
    ("-s", "--skip-init"),
    help="Only remove tables; do not perform db init.",
    action="store_true",
    default=False,
)
ARG_PORT = Arg(
    ("-p", "--port"),
    default=conf.get("webserver", "WEB_SERVER_PORT"),
    type=int,
    help="The port on which to run the server",