@Test
public void testCreateWithTextColumn() {

  TextColumn whoText = table.stringColumn("who").asTextColumn();
  whoText.setName("who text");
  table.addColumns(whoText);
  TableSliceGroup group1 =
      StandardTableSliceGroup.create(table, table.categoricalColumn("who text"));
  TableSliceGroup group2 = StandardTableSliceGroup.create(table, table.categoricalColumn("who"));
  Table aggregated1 = group1.aggregate("approval", exaggerate);
  Table aggregated2 = group2.aggregate("approval", exaggerate);
  assertEquals(aggregated1.rowCount(), aggregated2.rowCount());
}