def METHOD_NAME(self, kube_version):
    docs = render_chart(
        kube_version=kube_version,
        values={
            "prometheus": {
                "extraFlags": [
                    "--enable-feature=remote-write-receiver",
                    "--enable-feature=agent",
                ]
            },
        },
        show_only=["charts/prometheus/templates/prometheus-statefulset.yaml"],
    )
    assert len(docs) == 1
    c_by_name = get_containers_by_name(docs[0])
    print(c_by_name["prometheus"]["args"])
    assert (
        "--enable-feature=remote-write-receiver" in c_by_name["prometheus"]["args"]
    )
    assert "--enable-feature=agent" in c_by_name["prometheus"]["args"]