HostVO hostVO = mock(HostVO.class);
when(hostVO.getId()).thenReturn(1L);
when(_hostDao.findById(anyLong())).thenReturn(hostVO);
VlanVO vlanVO = mock(VlanVO.class);
when(vlanVO.getVlanTag()).thenReturn(null);
when(_vlanDao.findById(anyLong())).thenReturn(vlanVO);
StaticNat rule = mock(StaticNat.class);
when(rule.getSourceIpAddressId()).thenReturn(1L);
when(rule.getDestIpAddress()).thenReturn("1.2.3.4");