Forget to update tests to use new error message

src/test/compile-fail/issue-23080-2.rs

@@ -13,7 +13,7 @@
 #![feature(optin_builtin_traits)]
 
 unsafe trait Trait {
-//~^ error: traits with default impls (`e.g. unsafe impl Trait for ..`) must have no methods or associated items
+//~^ ERROR E0380
     type Output;
 }
 

src/test/compile-fail/issue-23080.rs

@@ -13,7 +13,7 @@
 #![feature(optin_builtin_traits)]
 
 unsafe trait Trait {
-//~^ error: traits with default impls (`e.g. unsafe impl Trait for ..`) must have no methods or associated items
+//~^ ERROR E0380
     fn method(&self) {
         println!("Hello");
     }