{"ast_node_type":"other","tokens":[{"end":72,"kind":"keyword","start":0,"text":"check_dnf(\"#![cfg(not(test))]\","}]}
    check_dnf("#![cfg(not(test))]", expect![[r#"#![cfg(not(test))]"#]]);
    check_dnf("#![cfg(test)]", expect![[r#"#![cfg(test)]"#]]);
    check_dnf("#![cfg(not(not(test)))]", expect![[r#"#![cfg(test)]"#]]);