def METHOD_NAME(self):
    for option in (
        "_id",
        "_index",
        "_percolate",
        "_timestamp",
        "if_seq_no",
        "if_primary_term",
        "parent",
        "pipeline",
        "retry_on_conflict",
        "routing",
        "version",
        "version_type",
        ("_parent", "parent"),
        ("_retry_on_conflict", "retry_on_conflict"),
        ("_routing", "routing"),
        ("_version", "version"),
        ("_version_type", "version_type"),
        ("_if_seq_no", "if_seq_no"),
        ("_if_primary_term", "if_primary_term"),
    ):
        if isinstance(option, str):
            action_option = option
        else:
            option, action_option = option
        self.assertEqual(
            helpers.expand_action({"key": "val", option: 0}),
            ({"index": {action_option: 0}}, {"key": "val"}),
        )