List<GetLocationResult> list = new ArrayList<GetLocationResult>();
list.add(glr1);
list.add(glr2);
CombineResultService cis = new CombineIntersectionService();
Envelope res = cis.combine(list);
Assert.assertEquals(20.0, res.getMinX(), DELTA);
Assert.assertEquals(25.0, res.getMinY(), DELTA);
Assert.assertEquals(35.0, res.getMaxX(), DELTA);
Assert.assertEquals(30.0, res.getMaxY(), DELTA);
}