@Override
    public Set<K8sHost> completeHosts() {
        Set<K8sHost> hosts = hostStore.hosts().stream()
                .filter(h -> Objects.equals(h.state(), COMPLETE))
                .collect(Collectors.toSet());
        return ImmutableSet.copyOf(hosts);
    }
@Test
    public void testGetCompleteHosts() {
        assertEquals(ERR_SIZE, 1, target.completeHosts().size());
        assertTrue(ERR_NOT_FOUND, target.completeHosts().contains(HOST_3));
    }