@Test
    void verifyFrontChannelLogout() throws Throwable {
        val logoutRequest = DefaultSingleLogoutRequestContext.builder()
            .logoutType(RegisteredServiceLogoutType.FRONT_CHANNEL)
            .build();
        val message = oidcSingleLogoutMessageCreator.create(logoutRequest);
        assertEquals(StringUtils.EMPTY, message.getPayload());
        assertNull(message.getMessage());
    }
This is {@link OidcSingleLogoutMessageCreatorTests}.

@author Jerome LELEU
@since 6.2.0
support/cas-server-support-oidc/src/test/java/org/apereo/cas/oidc/slo/OidcSingleLogoutMessageCreatorTests.java