@Test()
    public void testAbis_NotWorking() {
        // DROOLS-644
        String drl =
                "import " + Person.class.getCanonicalName() + ";\n" +
                "global java.util.List list;\n" +
                "rule R when\n" +
                "    $p1 : Person( name == \"Mario\" ) \n" +
                "    $p2 : Person( age > $p1.age ) \n" +
                "then\n" +
                "    list.add(\"t0\");\n" +
                "end\n" +
                "rule Z when\n" +
                "    $p1 : Person( name == \"Mario\" ) \n" +
                "then\n" +
                "    modify($p1) { setAge(35); } \n" +
                "end\n" 
                ;
        
        // making the default explicit:
        KieSession ksession = new KieHelper(PropertySpecificOption.ALWAYS).addContent(drl, ResourceType.DRL)
                .build()
                .newKieSession();
        ksession.addEventListener(new DebugAgendaEventListener());
        System.out.println(drl);
        ReteDumper.dumpRete(ksession);

        List<String> list = new ArrayList<String>();
        ksession.setGlobal("list", list);

        Person mario = new Person("Mario", 40);
        Person mark = new Person("Mark", 37);
        FactHandle fh_mario = ksession.insert(mario);
        ksession.insert(mark);
        int x = ksession.fireAllRules();
        assertEquals(1, list.size());
        assertEquals("t0", list.get(0));
    }
    
    @Test()
    public void testAbis_Working() {
        // DROOLS-644
        String drl =
                "import " + Person.class.getCanonicalName() + ";\n" +
                "global java.util.List list;\n" +
                "rule R when\n" +
                "    $p1 : Person( name == \"Mario\", $a1: age) \n" +
                "    $p2 : Person( age > $a1 ) \n" +
                "then\n" +
                "    list.add(\"t0\");\n" +
                "end\n" +
                "rule Z when\n" +
                "    $p1 : Person( name == \"Mario\" ) \n" +
                "then\n" +
                "    modify($p1) { setAge(35); } \n" +
                "end\n" 
                ;

        // making the default explicit:
        KieSession ksession = new KieHelper(PropertySpecificOption.ALWAYS).addContent(drl, ResourceType.DRL)
                .build()
                .newKieSession();
        
        System.out.println(drl);
        ReteDumper.dumpRete(ksession);

        List<String> list = new ArrayList<String>();
        ksession.setGlobal("list", list);

        Person mario = new Person("Mario", 40);
        Person mark = new Person("Mark", 37);
        FactHandle fh_mario = ksession.insert(mario);
        ksession.insert(mark);
        int x = ksession.fireAllRules();
        assertEquals(1, list.size());
        assertEquals("t0", list.get(0));
    }