@Override
    public boolean tableExists(String dbName, String tableName) {
        return client.tableExists(dbName, tableName);
    }
@Test
    public void testTableExists() {
        HiveMetaClient client = new MockedHiveMetaClient();
        HiveMetastore metastore = new HiveMetastore(client, "hive_catalog", MetastoreType.HMS);
        Assert.assertTrue(metastore.tableExists("db1", "tbl1"));
    }