Fix compile fail test

Author: MrGVSV

crates/bevy_reflect_compile_fail_tests/tests/reflect_derive/generics.fail.rs

@@ -1,4 +1,4 @@
-use bevy_reflect::Reflect;
+use bevy_reflect::{GetField, Reflect, Struct};
 
 #[derive(Reflect)]
 struct Foo<T> {
@@ -9,7 +9,7 @@ struct Foo<T> {
 struct NoReflect(f32);
 
 fn main() {
-    let mut foo: Box<dyn Reflect> = Box::new(Foo::<NoReflect> { a: NoReflect(42.0) });
+    let mut foo: Box<dyn Struct> = Box::new(Foo::<NoReflect> { a: NoReflect(42.0) });
     // foo doesn't implement Reflect because NoReflect doesn't implement Reflect
     foo.get_field::<NoReflect>("a").unwrap();
-}
+}

crates/bevy_reflect_compile_fail_tests/tests/reflect_derive/generics.fail.stderr

@@ -1,16 +1,32 @@
-error[E0599]: no method named `get_field` found for struct `Box<(dyn Reflect + 'static)>` in the current scope
-  --> tests/reflect_derive/generics.fail.rs:14:9
-   |
-14 |     foo.get_field::<NoReflect>("a").unwrap();
-   |         ^^^^^^^^^ method not found in `Box<dyn Reflect>`
-
 error[E0277]: the trait bound `NoReflect: Reflect` is not satisfied
-  --> tests/reflect_derive/generics.fail.rs:12:37
+   --> tests/reflect_derive/generics.fail.rs:14:21
+    |
+14  |     foo.get_field::<NoReflect>("a").unwrap();
+    |                     ^^^^^^^^^ the trait `Reflect` is not implemented for `NoReflect`
+    |
+    = help: the following other types implement trait `Reflect`:
+              &'static Path
+              ()
+              (A, B)
+              (A, B, C)
+              (A, B, C, D)
+              (A, B, C, D, E)
+              (A, B, C, D, E, F)
+              (A, B, C, D, E, F, G)
+            and $N others
+note: required by a bound in `bevy_reflect::GetField::get_field`
+   --> /Users/ginovalente/Projects/Git/rust/bevy/crates/bevy_reflect/src/struct_trait.rs:243:21
+    |
+243 |     fn get_field<T: Reflect>(&self, name: &str) -> Option<&T>;
+    |                     ^^^^^^^ required by this bound in `GetField::get_field`
+
+error[E0277]: the trait bound `NoReflect: GetTypeRegistration` is not satisfied
+  --> tests/reflect_derive/generics.fail.rs:12:36
    |
-12 |     let mut foo: Box<dyn Reflect> = Box::new(Foo::<NoReflect> { a: NoReflect(42.0) });
-   |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Reflect` is not implemented for `NoReflect`
+12 |     let mut foo: Box<dyn Struct> = Box::new(Foo::<NoReflect> { a: NoReflect(42.0) });
+   |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `GetTypeRegistration` is not implemented for `NoReflect`
    |
-   = help: the following other types implement trait `Reflect`:
+   = help: the following other types implement trait `GetTypeRegistration`:
              &'static Path
              ()
              (A, B)
@@ -20,12 +36,12 @@ error[E0277]: the trait bound `NoReflect: Reflect` is not satisfied
              (A, B, C, D, E, F)
              (A, B, C, D, E, F, G)
            and $N others
-note: required for `Foo<NoReflect>` to implement `Reflect`
+note: required for `Foo<NoReflect>` to implement `bevy_reflect::Struct`
   --> tests/reflect_derive/generics.fail.rs:3:10
    |
 3  | #[derive(Reflect)]
    |          ^^^^^^^ unsatisfied trait bound introduced in this `derive` macro
 4  | struct Foo<T> {
    |        ^^^^^^
-   = note: required for the cast from `Foo<NoReflect>` to the object type `dyn Reflect`
+   = note: required for the cast from `Foo<NoReflect>` to the object type `dyn bevy_reflect::Struct`
    = note: this error originates in the derive macro `Reflect` (in Nightly builds, run with -Z macro-backtrace for more info)