Interpreter tester should accept metadata instead of a vector

test/cctest/test-feedback-vector.h

Index: test/cctest/test-feedback-vector.h
diff --git a/test/cctest/test-feedback-vector.h b/test/cctest/test-feedback-vector.h
index 6817a266aaaedec15deb80cb5a511119257dfa1e..ed7afd0f1c15dc5fd180d6f8eeb7c23921f8102b 100644
--- a/test/cctest/test-feedback-vector.h
+++ b/test/cctest/test-feedback-vector.h
@@ -46,6 +46,11 @@ Handle<TypeFeedbackVector> NewTypeFeedbackVector(Isolate* isolate, Spec* spec) {
   return TypeFeedbackVector::New(isolate, metadata);
 }
 
+template <typename Spec>
+Handle<TypeFeedbackMetadata> NewTypeFeedbackMetadata(Isolate* isolate,
+                                                     Spec* spec) {
+  return TypeFeedbackMetadata::New(isolate, spec);
+}
 
 }  // namespace internal
 }  // namespace v8