public static String getKeyTenant(String dataId, String group, String tenant) {
        return doGetKey(dataId, group, tenant);
    }
@Test
    public void getKeyTenant() {
        String dataId = "dataId";
        String group = "group";
        String datumStr = "datumStr";
        String expected = "dataId+group+datumStr";

        String keyTenant = GroupKey.getKeyTenant(dataId, group, datumStr);
        Assert.isTrue(keyTenant.equals(expected));
    }