def METHOD_NAME():
    # implicit namespace
    tau = 10 * ms
    group = SimpleGroup(namespace=None, variables={})
    namespace = get_local_namespace(level=0)
    resolved = group.resolve_all(
        ["tau", "ms"], namespace, user_identifiers=["tau", "ms"]
    )
    assert len(resolved) == 2
    assert isinstance(resolved, dict)
    assert resolved["tau"].get_value_with_unit() == tau
    assert resolved["ms"].get_value_with_unit() == ms
    del tau
    # explicit namespace
    group = SimpleGroup(namespace={"tau": 20 * ms}, variables={})
    namespace = get_local_namespace(level=0)
    resolved = group.resolve_all(["tau", "ms"], namespace, ["tau", "ms"])
    assert len(resolved) == 2
    assert resolved["tau"].get_value_with_unit() == 20 * ms