Hello,

Our Helm Chart uses the command that is deleted in Airflow 2.0. We should consider what we want to do with it - add this command again or delete the reference to this command in the Helm Chart.
https://github.com/apache/airflow/blob/d41c6a46b176a80e1cdb0bcc592f5a8baec21c41/chart/templates/scheduler/scheduler-deployment.yaml#L177-L197
Related PR: 
https://github.com/apache/airflow/pull/6843

Best regards,
Kamil Breguła
CC: @dstandish 
airflow/cli/cli_parser.py
name='test',
        help="Execute one single DagRun",
        description=(
            "Execute one single DagRun for a given DAG and execution date, "
            "using the DebugExecutor.\n"
            "\n"
            "The --imgcat-dagrun option only works in iTerm.\n"
            "\n"
            "For more information, see: https://www.iterm2.com/documentation-images.html\n"
            "\n"
            "If --save-dagrun is used, then, after completing the backfill, saves the diagram "
            "for current DAG Run to the indicated file.\n"
            "The file format is determined by the file extension. "
            "For more information about supported format, "
            "see: https://www.graphviz.org/doc/info/output.html\n"
            "\n"
            "If you want to create a PNG file then you should execute the following command:\n"
            "airflow dags test <DAG_ID> <EXECUTION_DATE> --save-dagrun output.png\n"
            "\n"
            "If you want to create a DOT file then you should execute the following command:\n"
            "airflow dags test <DAG_ID> <EXECUTION_DATE> --save-dagrun output.dot\n"
        ),
        func=lazy_load_command('airflow.cli.commands.dag_command.dag_test'),
        args=(
            ARG_DAG_ID,
            ARG_EXECUTION_DATE,
            ARG_SUBDIR,
            ARG_SHOW_DAGRUN,
            ARG_IMGCAT_DAGRUN,
            ARG_SAVE_DAGRUN,