{"ast_node_type":"other","tokens":[{"end":10,"kind":"keyword","start":0,"text":");"}]}
        );
            r#"fn f() { 2 * 3 + 1; }"#,
        check_assist(remove_parentheses, r#"fn f() { ( $0(2) ); }"#, r#"fn f() { ( 2 ); }"#);