{"ast_node_type":"variable","tokens":[{"end":90,"kind":"keyword","start":0,"text":"let"}]}
    let file = ImportScope { kind: ImportScopeKind::File(syntax), required_cfgs: vec![] };
    let syntax = ast::SourceFile::parse(ra_fixture, span::Edition::CURRENT).tree();
    assert_eq!(super::guess_granularity_from_scope(&file), expected);