@Test
    void verifyGetOperation() {
        val request = getHttpRequestForEndpoint(OidcConstants.CLIENT_CONFIGURATION_URL);
        val response = new MockHttpServletResponse();
        val clientId = UUID.randomUUID().toString();
        val service = getOidcRegisteredService(clientId);
        service.markAsDynamicallyRegistered();
        service.setExpirationPolicy(new DefaultRegisteredServiceExpirationPolicy(
            ZonedDateTime.now(Clock.systemUTC()).toString()));
        servicesManager.save(service);
        assertEquals(HttpStatus.SC_OK,
            controller.handleRequestInternal(clientId, request, response).getStatusCode().value());
    }
This is {@link OidcClientConfigurationEndpointControllerTests}.

@author Misagh Moayyed
@since 6.2.0
support/cas-server-support-oidc/src/test/java/org/apereo/cas/oidc/web/controllers/dynareg/OidcClientConfigurationEndpointControllerTests.java