Rename the test

Author: jonas-schievink

src/test/ui/specialization/specialization-default-methods-fail.rs renamed to src/test/ui/specialization/non-defaulted-item-fail.rs

@@ -1,5 +1,5 @@
 error[E0520]: `Ty` specializes an item from a parent `impl`, but that item is not marked `default`
-  --> $DIR/specialization-default-methods-fail.rs:29:5
+  --> $DIR/non-defaulted-item-fail.rs:29:5
    |
 LL | / impl<T> Foo for Box<T> {
 LL | |     type Ty = bool;
@@ -14,7 +14,7 @@ LL |       type Ty = Vec<()>;
    = note: to specialize, `Ty` in the parent `impl` must be marked `default`
 
 error[E0520]: `CONST` specializes an item from a parent `impl`, but that item is not marked `default`
-  --> $DIR/specialization-default-methods-fail.rs:31:5
+  --> $DIR/non-defaulted-item-fail.rs:31:5
    |
 LL | / impl<T> Foo for Box<T> {
 LL | |     type Ty = bool;
@@ -29,7 +29,7 @@ LL |       const CONST: u8 = 42;
    = note: to specialize, `CONST` in the parent `impl` must be marked `default`
 
 error[E0520]: `foo` specializes an item from a parent `impl`, but that item is not marked `default`
-  --> $DIR/specialization-default-methods-fail.rs:33:5
+  --> $DIR/non-defaulted-item-fail.rs:33:5
    |
 LL | / impl<T> Foo for Box<T> {
 LL | |     type Ty = bool;
@@ -44,7 +44,7 @@ LL |       fn foo(&self) -> bool { true }
    = note: to specialize, `foo` in the parent `impl` must be marked `default`
 
 error[E0520]: `Ty` specializes an item from a parent `impl`, but that item is not marked `default`
-  --> $DIR/specialization-default-methods-fail.rs:45:5
+  --> $DIR/non-defaulted-item-fail.rs:45:5
    |
 LL | impl<T> Foo for Vec<T> {}
    | ------------------------- parent `impl` is here
@@ -55,7 +55,7 @@ LL |     type Ty = Vec<()>;
    = note: to specialize, `Ty` in the parent `impl` must be marked `default`
 
 error[E0520]: `CONST` specializes an item from a parent `impl`, but that item is not marked `default`
-  --> $DIR/specialization-default-methods-fail.rs:47:5
+  --> $DIR/non-defaulted-item-fail.rs:47:5
    |
 LL | impl<T> Foo for Vec<T> {}
    | ------------------------- parent `impl` is here
@@ -66,7 +66,7 @@ LL |     const CONST: u8 = 42;
    = note: to specialize, `CONST` in the parent `impl` must be marked `default`
 
 error[E0520]: `foo` specializes an item from a parent `impl`, but that item is not marked `default`
-  --> $DIR/specialization-default-methods-fail.rs:49:5
+  --> $DIR/non-defaulted-item-fail.rs:49:5
    |
 LL | impl<T> Foo for Vec<T> {}
    | ------------------------- parent `impl` is here