Code review comment: this change must be a relic of the other PR.

Code under review:
private Tenant createTenant(TenantName tenantName, Instant created) {
        if (tenants.containsKey(tenantName)) return getTenant(tenantName);

        TenantApplications applicationRepo =
                new TenantApplications(tenantName,
                                       curator,
                                       zkWatcherExecutor,
                                       zkCacheExecutor,
                                       metrics,
                                       reloadListener,
                                       configserverConfig,
                                       hostRegistry,
                                       new TenantFileSystemDirs(configServerDB, tenantName),
                                       clock);
        PermanentApplicationPackage permanentApplicationPackage = new PermanentApplicationPackage(configserverConfig);
        SessionPreparer sessionPreparer = new SessionPreparer(modelFactoryRegistry,
                                                              fileDistributionFactory,
                                                              hostProvisionerProvider,
                                                              permanentApplicationPackage,
                                                              configserverConfig,
                                                              configDefinitionRepo,
                                                              curator,
                                                              zone,
                                                              flagSource,
                                                              secretStore);
        SessionRepository sessionRepository = new SessionRepository(tenantName,
                                                                    applicationRepo,
                                                                    sessionPreparer,
                                                                    curator,
                                                                    metrics,
                                                                    zkWatcherExecutor,
                                                                    permanentApplicationPackage,
                                                                    flagSource,
                                                                    zkCacheExecutor,
                                                                    secretStore,
                                                                    hostProvisionerProvider,
                                                                    configserverConfig,
                                                                    configServerDB,
                                                                    zone,
                                                                    clock,
                                                                    modelFactoryRegistry,
                                                                    configDefinitionRepo,
                                                                    tenantListener);
        log.log(Level.INFO, "Adding tenant '" + tenantName + "'" + ", created " + created);
        Tenant tenant = new Tenant(tenantName, sessionRepository, applicationRepo, applicationRepo, created);
        createAndWriteTenantMetaData(tenant);
        tenants.putIfAbsent(tenantName, tenant);
        notifyNewTenant(tenant);
        return tenant;
    }

Line commented on: if (tenants.containsKey(tenantName)) return getTenant(tenantName);

Revised code:
private Tenant createTenant(TenantName tenantName, Instant created) {
        if (tenants.containsKey(tenantName)) return getTenant(tenantName);

        TenantApplications applicationRepo =
                new TenantApplications(tenantName,
                                       curator,
                                       zkWatcherExecutor,
                                       zkCacheExecutor,
                                       metrics,
                                       reloadListener,
                                       configserverConfig,
                                       hostRegistry,
                                       new TenantFileSystemDirs(configServerDB, tenantName),
                                       clock);
        PermanentApplicationPackage permanentApplicationPackage = new PermanentApplicationPackage(configserverConfig);
        SessionPreparer sessionPreparer = new SessionPreparer(modelFactoryRegistry,
                                                              fileDistributionFactory,
                                                              hostProvisionerProvider,
                                                              permanentApplicationPackage,
                                                              configserverConfig,
                                                              configDefinitionRepo,
                                                              curator,
                                                              zone,
                                                              flagSource,
                                                              secretStore);
        SessionRepository sessionRepository = new SessionRepository(tenantName,
                                                                    applicationRepo,
                                                                    sessionPreparer,
                                                                    curator,
                                                                    metrics,
                                                                    zkWatcherExecutor,
                                                                    permanentApplicationPackage,
                                                                    flagSource,
                                                                    zkCacheExecutor,
                                                                    secretStore,
                                                                    hostProvisionerProvider,
                                                                    configserverConfig,
                                                                    configServerDB,
                                                                    zone,
                                                                    clock,
                                                                    modelFactoryRegistry,
                                                                    configDefinitionRepo,
                                                                    tenantListener);
        log.log(Level.INFO, "Adding tenant '" + tenantName + "'" + ", created " + created);
        Tenant tenant = new Tenant(tenantName, sessionRepository, applicationRepo, applicationRepo, created);
        createAndWriteTenantMetaData(tenant);
        tenants.putIfAbsent(tenantName, tenant);
        notifyNewTenant(tenant);
        return tenant;
    }