{"ast_node_type":"variable","tokens":[{"end":60,"kind":"keyword","start":0,"text":"let"}]}
        let (analysis, file_id) = fixture::file(ra_fixture);
    fn check(#[rust_analyzer::rust_fixture] ra_fixture: &str, expect: expect_test::Expect) {
        let syn = analysis.view_syntax_tree(file_id).unwrap();