Fix compile tests

crates/ink/tests/ui/contract/fail/constructor-return-result-non-codec-error.stderr

@@ -1,8 +1,8 @@
-error[E0277]: the trait bound `Result<(), &contract::Error>: Encode` is not satisfied
+error[E0277]: the trait bound `Result<Result<(), &contract::Error>, LangError>: Encode` is not satisfied
   --> tests/ui/contract/fail/constructor-return-result-non-codec-error.rs:13:9
    |
 13 |         pub fn constructor() -> Result<Self, Error> {
-   |         ^^^ the trait `Encode` is not implemented for `Result<(), &contract::Error>`
+   |         ^^^ the trait `Encode` is not implemented for `Result<Result<(), &contract::Error>, LangError>`
    |
    = help: the trait `Encode` is implemented for `Result<T, E>`
 note: required by a bound in `return_value`
@@ -28,6 +28,8 @@ error[E0277]: the trait bound `contract::Error: TypeInfo` is not satisfied
             (A, B, C, D, E, F)
           and $N others
   = note: required for `Result<(), contract::Error>` to implement `TypeInfo`
+  = note: 1 redundant requirement hidden
+  = note: required for `Result<Result<(), contract::Error>, LangError>` to implement `TypeInfo`
 note: required by a bound in `TypeSpec::with_name_str`
  --> $WORKSPACE/crates/metadata/src/specs.rs
   |

crates/ink/tests/ui/contract/pass/constructor-return-result-alias.rs

@@ -58,7 +58,7 @@ fn main() {
     assert_eq!("constructor", constructor.label());
     let type_spec = constructor.return_type().opt_type().unwrap();
     assert_eq!(
-        "core::result::Result",
+        "ink_primitives::ConstructorResult",
         format!("{}", type_spec.display_name())
     );
     let ty = metadata.registry().resolve(type_spec.ty().id()).unwrap();
@@ -68,16 +68,39 @@ fn main() {
         scale_info::TypeDef::Variant(variant) => {
             assert_eq!(2, variant.variants().len());
 
-            let ok_variant = &variant.variants()[0];
-            let ok_field = &ok_variant.fields()[0];
-            let ok_ty = metadata.registry().resolve(ok_field.ty().id()).unwrap();
+            // Outer Result
+            let outer_ok_variant = &variant.variants()[0];
+            let outer_ok_field = &outer_ok_variant.fields()[0];
+            let outer_ok_ty = metadata
+                .registry()
+                .resolve(outer_ok_field.ty().id())
+                .unwrap();
+            assert_eq!("Ok", outer_ok_variant.name());
+
+            // Inner Result
+            let inner_ok_ty = match outer_ok_ty.type_def() {
+                scale_info::TypeDef::Variant(variant) => {
+                    assert_eq!(2, variant.variants().len());
+
+                    let inner_ok_variant = &variant.variants()[0];
+                    assert_eq!("Ok", inner_ok_variant.name());
+
+                    let inner_ok_field = &inner_ok_variant.fields()[0];
+                    metadata
+                        .registry()
+                        .resolve(inner_ok_field.ty().id())
+                        .unwrap()
+                }
+                td => panic!("Expected a Variant type def enum, got {:?}", td),
+            };
+
             let unit_ty = scale_info::TypeDef::Tuple(
                 scale_info::TypeDefTuple::new_portable(vec![]),
             );
-            assert_eq!("Ok", ok_variant.name());
+
             assert_eq!(
                 &unit_ty,
-                ok_ty.type_def(),
+                inner_ok_ty.type_def(),
                 "Ok variant should be a unit `()` type"
             );