public void TestDeleteAppointment()
{
DateTime now = DateTime.Now;
DateTime dt = new DateTime(now.Year, now.Month, now.Day, now.Hour, now.Minute, 0); // important to use 0 for seconds since dbmanager doesn't store seconds
Event e = new Event("testEvent", dt, "testDescription");
List <Event> events_initial = SqlClass.GetEvents(dt);
SqlClass.AddEvent(e);
SqlClass.DeleteAppointment(e);
List <Event> events_after = SqlClass.GetEvents(dt);
Assert.AreEqual(events_initial.Count, events_after.Count);
}