public Table loadTable(TableIdentifier identifier) {
    return tables.load(identifier.toString());
  }
Loads the given table from the actual catalog. Overridden by HadoopTables, since the parameter of the
{@link Tables#load(String)} should be the full path of the table metadata directory
@param identifier The table we want to load
@return The Table loaded from the Catalog
iceberg/iceberg-handler/src/test/java/org/apache/iceberg/mr/hive/TestTables.java