@Override
    public RedisClusterNode clusterGetNodeForKey(byte[] key) {
        int slot = executorService.getConnectionManager().calcSlot(key);
        return clusterGetNodeForSlot(slot);
    }
@Test
    public void testClusterGetNodeForKey() {
        RedisClusterNode node = connection.clusterGetNodeForKey("123".getBytes());
        assertThat(node).isNotNull();
    }