Merge #10232

10232: internal: Add more tests for ide functionality in attributed items r=Veykril a=Veykril

cc https://github.com/rust-analyzer/rust-analyzer/issues/9868

Co-authored-by: Lukas Wirth <lukastw97@gmail.com>

crates/ide/src/hover.rs

@@ -1730,6 +1730,28 @@ id! {
         );
     }
 
+    #[test]
+    fn test_hover_through_attr() {
+        check(
+            r#"
+//- proc_macros: identity
+#[proc_macros::identity]
+fn foo$0() {}
+"#,
+            expect![[r#"
+                *foo*
+
+                ```rust
+                test
+                ```
+
+                ```rust
+                fn foo()
+                ```
+            "#]],
+        );
+    }
+
     #[test]
     fn test_hover_through_expr_in_macro() {
         check(