m.put("1", "hadoop");
m.put("source", "apache");
Tuple input = TupleFactory.getInstance().newTuple(m);
VALUELIST valueList = new VALUELIST();
DataBag result = valueList.exec(input);
//Bag must contain all values, not just unique ones
assertEquals(result.size(), 3);
Iterator<Tuple> i = result.iterator();
List resultList = new ArrayList();
while(i.hasNext()) {