calendar.set(2012, Calendar.DECEMBER, 1);
Date endDate = calendar.getTime();
MailAddressCollection attendees = new MailAddressCollection();
attendees.addMailAddress(new MailAddress("attendee_address@domain.com", "Attendee"));
WeeklyRecurrencePattern expected = new WeeklyRecurrencePattern(3);
Appointment app = new Appointment("Appointment Location", "Appointment Summary", "Appointment Description",
startDate, endDate,
new MailAddress("organizer_address@domain.com", "Organizer"), attendees, expected);
MailMessage msg = new MailMessage();