def METHOD_NAME(self):
    packages_to_sync = [232, 260]
    diff = client.system.comparePackages(self.session_key, SERVER_ID_2,
        SERVER_ID)
    for pnid in packages_to_sync:
        found = False
        for d in diff:
            if d['package_name_id'] == pnid:
                found = True
                break
        self.assertTrue(found)
    earliest = datetime.now() + timedelta(3) # 3 days from now
    dt = xmlrpclib.DateTime(earliest.timetuple())
    client.system.scheduleSyncPackagesWithSystem(self.session_key,
        SERVER_ID_2, SERVER_ID, packages_to_sync, dt)