@Test
    void verifyFailsOperation() throws Throwable {
        var oidcProperties = new OidcProperties();
        oidcProperties.getJwks().getRest().setUrl("https://localhost:1234");
        oidcProperties.getJwks().getRest().setMethod("get");
        val resource = new OidcRestfulJsonWebKeystoreGeneratorService(oidcProperties).generate();
        assertNull(resource);
    }
This is {@link OidcRestfulJsonWebKeystoreGeneratorServiceTests}.

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