Update ui tests

Author: GuillaumeGomez

src/test/ui/auto-trait-validation.stderr

@@ -18,4 +18,5 @@ LL | auto trait MyTrait { fn foo() {} }
 
 error: aborting due to 3 previous errors
 
-For more information about this error, try `rustc --explain E0380`.
+Some errors have detailed explanations: E0380, E0567.
+For more information about an error, try `rustc --explain E0380`.