Implement derive macros expansion tests using macrotest

test_suite/tests/expand/derive/struct/named_tuple.rs

@@ -0,0 +1,7 @@
+use serde::{Serialize, Deserialize};
+
+#[derive(Serialize)]
+struct SerNamedTuple<'a, 'b, A: 'a, B: 'b, C>(&'a A, &'b mut B, C);
+
+#[derive(Deserialize)]
+struct DeNamedTuple<A, B, C>(A, B, C);