/** data set can create import table */
 public void dataSetTable() {
   String attributeCode = "A";
   String indicatorCode = "I";
   ObjectNode node = builder.buildDataSetNode(dataSetId, name, description, owner, lastChange);
   node.put(
       "attributes",
       new ObjectMapper()
           .createArrayNode()
           .add(builder.buildAttributeNode(id, name, attributeCode, "String")));
   node.put(
       "indicators",
       new ObjectMapper()
           .createArrayNode()
           .add(builder.buildIndicatorNode(id, name, indicatorCode, formula, "data_indicator")));
   DataTable table = new DataSetImpl(service, node).createDataTable();
   assertEquals(
       table.getColumns(),
       Arrays.asList(new DataColumn(attributeCode), new DataColumn(indicatorCode)));
 }