@BeforeEach
    void deleteAll() throws Exception {
        Thread.sleep(3000);
        newServiceRegistry.deleteAll();
        assertTrue(newServiceRegistry.load().isEmpty());
    }
This is {@link CosmosDbServiceRegistryTests}.

@author Misagh Moayyed
@since 5.2.0
support/cas-server-support-cosmosdb-service-registry/src/test/java/org/apereo/cas/services/CosmosDbServiceRegistryTests.java