@Override
    public K8sNode node(String hostname) {
        return nodeStore.node(hostname);
    }
@Test
    public void testGetNodeByHostname() {
        assertEquals(ERR_NOT_FOUND, target.node(MINION_2_HOSTNAME), MINION_2);
        assertEquals(ERR_NOT_FOUND, target.node(MINION_3_HOSTNAME), MINION_3);
    }