@Test
    public void testQuery(){
        KnowledgeBuilder kbuilder = KnowledgeBuilderFactory.newKnowledgeBuilder();
        kbuilder.add(ResourceFactory.newClassPathResource("session1.drl"), ResourceType.DRL);

        assertFalse(kbuilder.hasErrors());

        KnowledgeBase kbase = KnowledgeBaseFactory.newKnowledgeBase();
        kbase.addKnowledgePackages(kbuilder.getKnowledgePackages());

        StatefulKnowledgeSession ksession = kbase.newStatefulKnowledgeSession();

        ksession.insert(new MockFact("Esteban", 28));

        QueryResults queryResults = ksession.getQueryResults("ageOfPatient", new Object[]{Variable.variable,"Esteban",Variable.variable});

        Iterator<QueryResultsRow> iterator = queryResults.iterator();

        while (iterator.hasNext()) {
            QueryResultsRow queryResultsRow = iterator.next();
            System.out.println(queryResultsRow.get("$mock"));
            System.out.println(queryResultsRow.get("$age"));
        }
    }