* Tests execute.
*/
@Test
public void testExecute()
{
final InAppNotificationDTO notif1 = new InAppNotificationDTO();
notif1.setAvatarOwnerType(EntityType.PERSON);
notif1.setAvatarOwnerUniqueId("knownperson");
notif1.setNotificationType(NotificationType.COMMENT_TO_PERSONAL_POST);
final InAppNotificationDTO notif2 = new InAppNotificationDTO();
notif2.setAvatarOwnerType(EntityType.GROUP);
notif2.setAvatarOwnerUniqueId("knowngroup");
notif2.setNotificationType(NotificationType.REQUEST_GROUP_ACCESS);
final InAppNotificationDTO notif3 = new InAppNotificationDTO();
notif3.setAvatarOwnerType(EntityType.NOTSET);
notif3.setNotificationType(NotificationType.FOLLOW_GROUP);
final InAppNotificationDTO notif4 = new InAppNotificationDTO();
notif4.setAvatarOwnerType(EntityType.PERSON);
notif4.setAvatarOwnerUniqueId("unknownperson");
notif4.setNotificationType(NotificationType.PASS_THROUGH);
final InAppNotificationDTO notif5 = new InAppNotificationDTO();
notif5.setAvatarOwnerType(EntityType.GROUP);
notif5.setAvatarOwnerUniqueId("avatarlessgroup");
notif5.setNotificationType(NotificationType.COMMENT_TO_COMMENTED_POST);
final PersonModelView person = new PersonModelView();
person.setAccountId("knownperson");
person.setAvatarId("avatar1");
final DomainGroupModelView group = new DomainGroupModelView();