{"ast_node_type":"other","tokens":[{"end":14,"kind":"keyword","start":0,"text":"),"}]}
            ),
                expect![["{}; SomeStruct { val_a: 0, val_b: 1 }"]],
            ("{expr:?} is {2.32f64:.5}", expect![["{expr:?} is {:.5}; 2.32f64"]]),