Added 1 more test to test LM partially concrete transitions

 @LifecycleMeta(S2.class)
    static interface NLM_2 {

        @Transition(NS1_X.class)
        public void m1();

        @Transition(NS1_X.class)
        public void m2();

        @Transition(NS1_Y.class)
        public void m3();
    }