### 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)

}"""
        ),
        " " * 4,
    ),
)
ARG_POOL_EXPORT = Arg(("file",), metavar="FILEPATH", help="Export all pools to JSON file")
ARG_VAR = Arg(("key",), help="Variable key")
ARG_VAR_VALUE = Arg(("value",), metavar="VALUE", help="Variable value")
ARG_DEFAULT = Arg(
    ("-d", "--default"), metavar="VAL", default=None, help="Default value returned if variable does not exist"
)
ARG_DESERIALIZE_JSON = Arg(("-j", "--json"), help="Deserialize JSON variable", action="store_true")
ARG_SERIALIZE_JSON = Arg(("-j", "--json"), help="Serialize JSON variable", action="store_true")
ARG_VAR_IMPORT = Arg(("file",), help="Import variables from JSON file")
ARG_VAR_EXPORT = Arg(("file",), help="Export all variables to JSON file")
ARG_PRINCIPAL = Arg(("principal",), help="kerberos principal", nargs="?")
ARG_KEYTAB = Arg(("-k", "--keytab"), help="keytab", nargs="?", default=conf.get("kerberos", "keytab"))
ARG_INTERACTIVE = Arg(
    ("-N", "--interactive"),
    help="Do not capture standard output and error streams (useful for interactive debugging)",
    action="store_true",
)
ARG_FORCE = Arg(
    ("-f", "--force"),
    help="Ignore previous task instance state, rerun regardless if task already succeeded/failed",
    action="store_true",
)
ARG_RAW = Arg(("-r", "--raw"), argparse.SUPPRESS, "store_true")
ARG_IGNORE_ALL_DEPENDENCIES = Arg(
    ("-A", "--ignore-all-dependencies"),