@Test
public void testSetString() throws IOException {

  Table table = Table.read().csv("../data/bush.csv");
  Row row = new Row(table);
  while (row.hasNext()) {
    row.next();
    String rowVal = table.stringColumn(2).get(row.getRowNumber());
    String updateVal1 = rowVal.concat("2");
    String updateVal2 = rowVal.concat("3");
    // setString(columnIndex, value)
    row.setString(2, updateVal1);
    assertEquals(updateVal1, row.getString(2));
    // setString(columnName, value)
    row.setString("who", updateVal2);
    assertEquals(updateVal2, row.getString("who"));
  }
}