private static ManageContentPageService SetupManageContentPageService(
     ContentDbContext contentDbContext,
     IPersistenceHelper <ContentDbContext> contentPersistenceHelper = null,
     IContentService contentService = null,
     IMapper mapper = null,
     IReleaseFileService releaseFileService = null,
     IUserService userService = null)
 {
     return(new ManageContentPageService(
                mapper ?? MapperUtils.AdminMapper(),
                releaseFileService ?? new Mock <IReleaseFileService>().Object,
                contentService ?? new Mock <IContentService>().Object,
                contentPersistenceHelper ?? new PersistenceHelper <ContentDbContext>(contentDbContext),
                userService ?? MockUtils.AlwaysTrueUserService().Object
                ));
 }