#[test]
fn test_eval_op_unknown() {
let op = V2OpStep {
op: "unknown_op".to_string(),
args: vec![],
};
let ctx = V2EvalContext::new();
let result = eval_v2_op_step(
&op,
EvalValue::Value(json!("test")),
&json!({}),
None,
&json!({}),
"test",
&ctx,
);
assert!(result.is_err());
}