private RenewDelegationTokenResponse createRenewTokenResponse() {
        RenewDelegationTokenResponseData data = new RenewDelegationTokenResponseData()
                .setThrottleTimeMs(20)
                .setErrorCode(Errors.NONE.code())
                .setExpiryTimestampMs(System.currentTimeMillis());
        return new RenewDelegationTokenResponse(data);
    }
Check that all error codes in the response get included in {@link AbstractResponse#errorCounts()}.
clients/src/test/java/org/apache/kafka/common/requests/RequestResponseTest.java