### 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)

func=lazy_load_command("airflow.cli.commands.connection_command.connections_list"),
        args=(ARG_OUTPUT, ARG_VERBOSE, ARG_CONN_ID_FILTER),
    ),
    ActionCommand(
        name="add",
        help="Add a connection",
        func=lazy_load_command("airflow.cli.commands.connection_command.connections_add"),
        args=(ARG_CONN_ID, ARG_CONN_URI, ARG_CONN_JSON, ARG_CONN_EXTRA) + tuple(ALTERNATIVE_CONN_SPECS_ARGS),
    ),
    ActionCommand(
        name="delete",
        help="Delete a connection",
        func=lazy_load_command("airflow.cli.commands.connection_command.connections_delete"),
        args=(ARG_CONN_ID, ARG_COLOR, ARG_VERBOSE),
    ),
    ActionCommand(
        name="export",
        help="Export all connections",
        description=(
            "All connections can be exported in STDOUT using the following command:\n"
            "airflow connections export -\n"
            "The file format can be determined by the provided file extension. E.g., The following "
            "command will export the connections in JSON format:\n"
            "airflow connections export /tmp/connections.json\n"
            "The --file-format parameter can be used to control the file format. E.g., "
            "the default format is JSON in STDOUT mode, which can be overridden using: \n"
            "airflow connections export - --file-format yaml\n"
            "The --file-format parameter can also be used for the files, for example:\n"
            "airflow connections export /tmp/connections --file-format json.\n"
            "When exporting in `env` file format, you control whether URI format or JSON format "