something more

tests/reflect.spec.ts

@@ -164,7 +164,9 @@ describe('Reflector', () => {
       public a: string;
     }
 
-    class B extends A {
+    class AMid extends A {}
+
+    class B extends AMid {
       @Metadata.set('foo', 'second', 'keys')
       public b: string;
     }