@Test
    void verifyKeySet() {
        val service = getOidcRegisteredService();
        service.setJwks(StringUtils.EMPTY);
        assertTrue(OidcJsonWebKeyStoreUtils.getJsonWebKeySet(service, applicationContext, Optional.of(OidcJsonWebKeyUsage.SIGNING)).isEmpty());
    }
This is {@link OidcJsonWebKeyStoreUtilsTests}.

@author Misagh Moayyed
@since 6.2.0
support/cas-server-support-oidc/src/test/java/org/apereo/cas/oidc/jwks/OidcJsonWebKeyStoreUtilsTests.java