@Override
        public QuotaAction checkAndCharge(boolean shouldCheckExceedAllowed, boolean forceCharge) throws QuotaException {
          return checkAndCharge(shouldCheckExceedAllowed, forceCharge, quotaAccountingSize);
        }
Test Router with single scaling unit for correct accounting in {@link QuotaChargeCallback}.
ambry-router/src/test/java/com/github/ambry/router/NonBlockingQuotaTest.java