@BeforeClass
public static void setUp() {
toDedup = "ID123\t" + toDedup;
TokenMapper mapper = new TokenMapper();
DocumentSumReducer reducer = new DocumentSumReducer();
mapDriver = MapDriver.newMapDriver(mapper);
reduceDriver = ReduceDriver.newReduceDriver(reducer);
mapReduceDriver = MapReduceDriver.newMapReduceDriver(mapper, reducer);
}