{"ast_node_type":"other","tokens":[{"end":26,"kind":"keyword","start":0,"text":"dfs.complete_search();"}]}
    dfs.complete_search();
    let mut dfs = DepthFirstSearch::new(&graph).with_start_node(0);
    assert_eq!(format!("{{0, 1, 2, 3}}"), format!("{:?}", dfs));