code: public void testSimpleScannerPB() throws IOException {
    final int BATCH_SIZE=10;
    ScannerModel model=new ScannerModel();
    model.setBatch(BATCH_SIZE);
    model.addColumn(Bytes.toBytes(COLUMN_1));
    Response response=client.put("/" + TABLE + "/scanner",MIMETYPE_PROTOBUF,model.createProtobufOutput());
    assertEquals(response.getCode(),201);
    String scannerURI=response.getLocation();
    assertNotNull(scannerURI);
    response=client.get(scannerURI,MIMETYPE_PROTOBUF);
    assertEquals(response.getCode(),200);
    CellSetModel cellSet=new CellSetModel();
    cellSet.getObjectFromMessage(response.getBody());
    assertEquals(countCellSet(cellSet),BATCH_SIZE);
    response=client.delete(scannerURI);
    assertEquals(response.getCode(),200);
  }
  