code: @Test public void testGreaterThanEqualToDouble(){
    String p1=PropertyHelper.getPropertyId("cat1","prop1");
    Resource resource=new ResourceImpl(Resource.Type.Cluster);
    resource.setProperty(p1,2.999);
    PredicateBuilder pb=new PredicateBuilder();
    Predicate predicate1=pb.property(p1).greaterThanEqualTo(1.999).toPredicate();
    Assert.assertTrue(predicate1.evaluate(resource));
    PredicateBuilder pb2=new PredicateBuilder();
    Predicate predicate2=pb2.property(p1).greaterThanEqualTo(99.998).toPredicate();
    Assert.assertFalse(predicate2.evaluate(resource));
  }
  