@Before
  public void setUp() throws Exception {
    device = mock(Device.class);
    manager = mock(Manager.class);
    ManagedSet defaultManagedSet = mock(ManagedSet.class);

    when(manager.getManagedSet(Constants.DEFAULT_MANAGED_SET)).thenReturn(defaultManagedSet);

    appliance = new WamtAppliance(manager, device);
    SecurityContext.setContext("test-user");

    EntityManager manager = PersistenceTools.setPersistenceContext();
    ActionStatusImpl status = mock(ActionStatusImpl.class);
    when(manager.find(ActionStatusImpl.class, new Long(0))).thenReturn(status);
  }