revert CPGroupAvailabilityListenerTest.java - no longer necessary

hazelcast/src/test/java/com/hazelcast/cp/CPGroupAvailabilityListenerTest.java

@@ -78,24 +78,6 @@ public void whenMemberTerminated_thenReceiveEvents() throws Exception {
         assertEquals(1, listener.majorityEventCount.get());
     }
 
-    @Test
-    public void whenMemberExitsNormally_thenReceiveEvents() throws Exception {
-        CountingDownCPGroupAvailabilityListener listener = new CountingDownCPGroupAvailabilityListener(1, 1);
-
-        HazelcastInstance[] instances = newInstances(3);
-        instances[1].getCPSubsystem().addGroupAvailabilityListener(listener);
-
-        instances[0].shutdown();
-        assertOpenEventually(listener.availabilityLatch);
-        assertEquals(1, listener.availabilityEventCount.get());
-
-        instances[2].shutdown();
-        assertFalse(listener.majorityLatch.await(1, TimeUnit.SECONDS));
-        assertEquals(2, listener.availabilityEventCount.get());
-        assertOpenEventually(listener.majorityLatch);
-        assertEquals(1, listener.majorityEventCount.get());
-    }
-
     @Test
     public void whenListenerDeregistered_thenNoEventsReceived() {
         CountingDownCPGroupAvailabilityListener listener = new CountingDownCPGroupAvailabilityListener(1, 1);