code: @Test public void testRangeSubSlicesQuery(){
    String cf="Super1";
    TestCleanupDescriptor cleanup=insertSuperColumns(cf,4,"testRangeSubSlicesQuery",3,"testRangeSubSlicesQuery");
    RangeSubSlicesQuery<String,String,String,String> q=createRangeSubSlicesQuery(ko,se,se,se,se);
    q.setColumnFamily(cf);
    q.setKeys("testRangeSubSlicesQuery2","testRangeSubSlicesQuery3");
    q.setSuperColumn("testRangeSubSlicesQuery1");
    q.setColumnNames("c021","c111");
    QueryResult<OrderedRows<String,String,String>> r=q.execute();
    assertNotNull(r);
    OrderedRows<String,String,String> rows=r.get();
    assertNotNull(rows);
    assertEquals(2,rows.getCount());
    Row<String,String,String> row=rows.getList().get(0);
    assertNotNull(row);
    assertEquals("testRangeSubSlicesQuery2",row.getKey());
    ColumnSlice<String,String> slice=row.getColumnSlice();
    assertNotNull(slice);
    assertEquals("v021",slice.getColumnByName("c021").getValue());
    assertEquals("v121",slice.getColumnByName("c111").getValue());
    assertNull(slice.getColumnByName("c033"));
    deleteColumns(cleanup);
  }
  