RemoteAccessVpnService ravService = Mockito
.mock(RemoteAccessVpnService.class);
VpnUser vpnUser = Mockito.mock(VpnUser.class);
Mockito.when(
ravService.addVpnUser(Mockito.anyLong(), Mockito.anyString(),
Mockito.anyString())).thenReturn(vpnUser);
addVpnUserCmd._ravService = ravService;
addVpnUserCmd.create();