async init() {
        const cacheStore = adapterManager.getAdapter('cache:settings');
        const settingsCollection = await models.Settings.populateDefaults();
        const settingsOverrides = config.get('hostSettings:settingsOverrides') || {};
        SettingsCache.init(events, settingsCollection, this.getCalculatedFields(), cacheStore, settingsOverrides);
    }
Initialize the cache, used in boot and in testing