public void convertPage_Id_Null(){
Page sourcePage = new MongoDbPage();
RegionImpl region = new RegionImpl();
region.setId("123");
sourcePage.setRegions(Arrays.<Region>asList(region));
sourcePage.setPageLayout(new PageLayoutImpl());
sourcePage.setOwnerId(USER1ID);
sourcePage.setMembers(new ArrayList<PageUser>());
Page subPage = new MongoDbPage();
List<Page> subPages = Arrays.asList(subPage);
subPage.setPageLayout(new PageLayoutImpl());
subPage.setOwnerId(USER1ID);
subPage.setId("321");
subPage.setMembers(new ArrayList<PageUser>());
subPage.setRegions(new ArrayList<Region>());
sourcePage.setSubPages(subPages);