@Override
    public ThrottlingRecommendation mergeEnforcementRecommendations(List<QuotaRecommendation> quotaRecommendations) {
      quotaRecommendationsCount += quotaRecommendations.size();
      return super.mergeEnforcementRecommendations(quotaRecommendations);
    }
Constructor to create a {@link TestQuotaRecommendationMergePolicy}.
@param quotaConfig The {@link QuotaConfig}.
ambry-quota/src/test/java/com/github/ambry/quota/TestCUQuotaEnforcerFactory.java