{"ast_node_type":"other","tokens":[{"end":18,"kind":"keyword","start":0,"text":"expect_spanned"}]}
    expect_spanned
    let res = expander.expand(macro_name, fixture, attr, def_site, call_site, mixed_site).unwrap();
        .assert_eq(&format!("{fixture_string}\n\n{}\n\n{res:#?}", attr_string.unwrap_or_default()));