### 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_FIRSTNAME = Arg(("-f", "--firstname"), help="First name of the user", required=True, type=str)
ARG_LASTNAME = Arg(("-l", "--lastname"), help="Last name of the user", required=True, type=str)
ARG_ROLE = Arg(
    ("-r", "--role"),
    help="Role of the user. Existing roles include Admin, User, Op, Viewer, and Public",
    required=True,
    type=str,
)
ARG_EMAIL = Arg(("-e", "--email"), help="Email of the user", required=True, type=str)
ARG_EMAIL_OPTIONAL = Arg(("-e", "--email"), help="Email of the user", type=str)
ARG_PASSWORD = Arg(
    ("-p", "--password"),
    help="Password of the user, required to create a user without --use-random-password",
    type=str,
)
ARG_USE_RANDOM_PASSWORD = Arg(
    ("--use-random-password",),
    help="Do not prompt for password. Use random string instead."
    " Required to create a user without --password ",
    default=False,
    action="store_true",
)
ARG_USER_IMPORT = Arg(
    ("import",),
    metavar="FILEPATH",
    help="Import users from JSON file. Example format::\n"
    + textwrap.indent(
        textwrap.dedent(
            """
            [