private AmbryQuotaManager buildAmbryQuotaManagerWithNoEnforcers() throws ReflectiveOperationException {
    quotaConfig = new QuotaConfig(new VerifiableProperties(new Properties()));
    quotaConfig.requestQuotaEnforcerSourcePairInfoJson =
        new JSONObject().put(QuotaConfig.QUOTA_ENFORCER_SOURCE_PAIR_INFO_STR, new JSONArray()).toString();
    QuotaMetrics quotaMetrics = new QuotaMetrics(new MetricRegistry());
    AmbryQuotaManager ambryQuotaManager = createAmbryQuotaManager(quotaConfig, quotaMetrics);
    Assert.assertTrue(ambryQuotaManager.quotaEnforcers.isEmpty());
    return ambryQuotaManager;
  }
Build {@link AmbryQuotaManager} object with no enforcers.
@return AmbryQuotaManager object.
@throws ReflectiveOperationException in case the {@link AmbryQuotaManager} object could not be created.
ambry-quota/src/test/java/com/github/ambry/quota/AmbryQuotaManagerTest.java