@Test
    void verifyOperation() {
        assertFalse(notificationSender.notify(RegisteredServiceTestUtils.getPrincipal("cas"),
            Map.of(NotificationSender.ATTRIBUTE_NOTIFICATION_TITLE, "Apereo CAS Notification",
                NotificationSender.ATTRIBUTE_NOTIFICATION_MESSAGE, "Hello, this message is from _Apereo CAS_")));
    }
This is {@link SlackNotificationSenderTests}.

@author Misagh Moayyed
@since 7.0.0
support/cas-server-support-notifications-slack/src/test/java/org/apereo/cas/notifications/SlackNotificationSenderTests.java