def METHOD_NAME(self, preds, target, alternative, variant):
    """Test functional implementation of metric."""
    t_test = bool(alternative is not None)
    alternative = _adjust_alternative_to_scipy(alternative)
    metric_args = {"t_test": t_test, "alternative": alternative, "variant": variant}
    _sk_kendall_tau = partial(_scipy_kendall, alternative=alternative, variant=variant)
    self.run_functional_metric_test(preds, target, kendall_rank_corrcoef, _sk_kendall_tau, metric_args=metric_args)