### 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_CONN_JSON = Arg(
    ("--conn-json",), help="Connection JSON, required to add a connection using JSON representation", type=str
)
ARG_CONN_TYPE = Arg(
    ("--conn-type",), help="Connection type, required to add a connection without conn_uri", type=str
)
ARG_CONN_DESCRIPTION = Arg(
    ("--conn-description",), help="Connection description, optional when adding a connection", type=str
)
ARG_CONN_HOST = Arg(("--conn-host",), help="Connection host, optional when adding a connection", type=str)
ARG_CONN_LOGIN = Arg(("--conn-login",), help="Connection login, optional when adding a connection", type=str)
ARG_CONN_PASSWORD = Arg(
    ("--conn-password",), help="Connection password, optional when adding a connection", type=str
)
ARG_CONN_SCHEMA = Arg(
    ("--conn-schema",), help="Connection schema, optional when adding a connection", type=str
)
ARG_CONN_PORT = Arg(("--conn-port",), help="Connection port, optional when adding a connection", type=str)
ARG_CONN_EXTRA = Arg(
    ("--conn-extra",), help="Connection `Extra` field, optional when adding a connection", type=str
)
ARG_CONN_EXPORT = Arg(
    ("file",),
    help="Output file path for exporting the connections",
    type=argparse.FileType("w", encoding="UTF-8"),
)
ARG_CONN_EXPORT_FORMAT = Arg(
    ("--format",),
    help="Deprecated -- use `--file-format` instead. File format to use for the export.",