public async Task SaveNullBlogElementAsync()
        {
            var blogElement = new BlogElementBuilder().Build();

            blogElement.Article = null;
            var contentService = new BlogContentService(
                new DbBlogRepositoryBuilder()
                .Build());
            var result = await contentService.SaveBlogElementAsync(null);

            result.Should().BeFalse();
            result = await contentService.SaveBlogElementAsync(blogElement);

            result.Should().BeFalse();
            blogElement = new BlogElementBuilder().Build();
            blogElement.ArticleTitle = null;
            result = await contentService.SaveBlogElementAsync(blogElement);

            result.Should().BeFalse();
        }
        public async Task SaveBlogElementAsync()
        {
            var blogElement    = new BlogElementBuilder().Build();
            var contentService = new BlogContentService(
                new DbBlogRepositoryBuilder()
                .WithSaveStatus(true)
                .Build());
            var result = await contentService.SaveBlogElementAsync(blogElement);

            result.Should().BeTrue();
        }