public void Backup()
{
var log = A.Fake <ILog>();
var reportingService = A.Fake <IReportingServiceProxy>();
var subscriptionSettingsFactory = A.Fake <ISubscriptionSettingsFactory>();
var fileSystem = A.Fake <IFileSystemProxy>();
var settings = A.Fake <ISettings>();
var subSetting = A.Fake <ISubscriptionSettings>();
A.CallTo(() => reportingService.ListSubscriptions()).Returns(new[] { subSetting });
var manager = new SubscriptionManager(log, reportingService, subscriptionSettingsFactory, fileSystem, settings);
manager.Backup(string.Empty);
A.CallTo(() => subSetting.Save(A <string> ._)).MustHaveHappened();
}
