QNetworkAccessManager doesn't reply when using AlwaysCache as cache attribute

#include <QCoreApplication>
#include <QNetworkAccessManager>
#include <QNetworkDiskCache>
#include <QNetworkRequest>
#include <QNetworkReply>
#include <QEventLoop>
#include <QTimer>
#include <QDebug>

#define LocalAddress "http://localhost:3000"
#define RemoteAddress "http://www.google.com"
#define CacheDirectory "<My cache directoty>" // Set it to some directory

void test()
{
    QEventLoop evLoop;
    QNetworkAccessManager *manager = new QNetworkAccessManager();
    QNetworkDiskCache *diskCache = new QNetworkDiskCache(manager);
    diskCache->setCacheDirectory(CacheDirectory);
    manager->setCache(diskCache);

    {
        QNetworkRequest request(QUrl(LocalAddress));
        request.setAttribute(QNetworkRequest::CacheLoadControlAttribute,
        QNetworkRequest::AlwaysNetwork);
        QNetworkReply *reply = manager->get(request);
        QObject::connect(reply, &QNetworkReply::finished, &evLoop, &QEventLoop::quit);
        evLoop.exec();
        qDebug() << "Got reply from local";
    }

    {
        QNetworkRequest request(QUrl(RemoteAddress));
        const QNetworkCacheMetaData &metadata = diskCache->metaData(request.url());
        request.setAttribute(QNetworkRequest::CacheLoadControlAttribute,
            metadata.isValid()
            ? QNetworkRequest::AlwaysCache
            : QNetworkRequest::PreferCache);
         QNetworkReply *reply = manager->get(request);
         QObject::connect(reply, &QNetworkReply::finished, &evLoop, &QEventLoop::quit);
         evLoop.exec();
         qDebug() << "Got reply from remote";
    }
}

int main(int argc, char *argv[])
{
    QCoreApplication a(argc, argv);
    QTimer::singleShot(1, test);
    return a.exec();
}

NetworkAccess::NetworkAccess(QObject *parent) : QNetworkAccessManager(parent)
{
    QNetworkDiskCache *diskCache = new QNetworkDiskCache(this);
    diskCache->setCacheDirectory("<My cache directoty>");
    setCache(diskCache);

    QNetworkRequest request(QUrl("http://www.abcdezykzykzyk.mt"));
    QNetworkReply* reply = QNetworkAccessManager::get(request);
    QObject::connect(reply, &QNetworkReply::finished, [reply]()
    {
        reply->deleteLater();
    });
}