Fixes unit tests

src/static_data/libraries/item_library.rs

@@ -57,7 +57,7 @@ pub mod tests {
         let m = build_item();
         // Borrow as mut so we can insert
         let w = &mut lib;
-        w.add(&"foo".into(), Box::from(m));
+        w.add(&"foo".into(), m);
         // Drops borrow as mut
 
         lib