### 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_INTERNAL_API_ACCESS_LOGFILE,
            ARG_INTERNAL_API_ERROR_LOGFILE,
            ARG_INTERNAL_API_ACCESS_LOGFORMAT,
            ARG_LOG_FILE,
            ARG_SSL_CERT,
            ARG_SSL_KEY,
            ARG_DEBUG,
        ),
    ),
    ActionCommand(
        name="scheduler",
        help="Start a scheduler instance",
        func=lazy_load_command("airflow.cli.commands.scheduler_command.scheduler"),
        args=(
            ARG_SUBDIR,
            ARG_NUM_RUNS,
            ARG_DO_PICKLE,
            ARG_PID,
            ARG_DAEMON,
            ARG_STDOUT,
            ARG_STDERR,
            ARG_LOG_FILE,
            ARG_SKIP_SERVE_LOGS,
            ARG_VERBOSE,
        ),
        epilog=(
            "Signals:\n"
            "\n"
            "  - SIGUSR2: Dump a snapshot of task state being tracked by the executor.\n"
            "\n"