@Test
    void require_that_empty_components_keys_after_bootstrap_returns_components_configs() {
        writeConfigs();
        ConfigRetriever retriever = createConfigRetriever();
        assertTrue(retriever.getConfigs(Set.of(), 0, true) instanceof BootstrapConfigs);
        assertTrue(retriever.getConfigs(Set.of(), 0, true) instanceof ComponentsConfigs);
        retriever.shutdown();
    }
@author gjoranv
@author Tony Vaagenes
@author ollivir
container-core/src/test/java/com/yahoo/container/di/ConfigRetrieverTest.java