def METHOD_NAME(self, bound_schema, org, third_party_org):
    for child in bound_schema.children:
        if child.name == "organization":
            org_node = child
    assert org_node.widget.values == [
        (org.pubid, f"{org.name} ({org.authority})"),
        (
            third_party_org.pubid,
            f"{third_party_org.name} ({third_party_org.authority})",
        ),
    ]