@Test
    void verifyOperation() {
        val results = deviceTokenExpirationPolicy.buildTicketExpirationPolicy();
        assertNotNull(results);
    }
This is {@link OAuth20DeviceTokenExpirationPolicyBuilderTests}.

@author Misagh Moayyed
@since 6.4.0
support/cas-server-support-oauth/src/test/java/org/apereo/cas/ticket/device/OAuth20DeviceTokenExpirationPolicyBuilderTests.java