public async Task TestForGetUnreadNotificationCount()
{
Mock <INotificationManager> manager = new Mock <INotificationManager>();
manager.Setup(x => x.GetUnreadNotificationCount("hverma")).Returns(Task.FromResult(5));
NotificationServices service = new NotificationServices(manager.Object);
var expectedCount = service.GetUnreadNotificationCount("hverma").GetAwaiter().GetResult();
Assert.AreEqual(expectedCount, 5);
}