public async Task LoadBlogPost_Ok()
{
//Arrange
var response = await _blogController.List();
var blogPosts = response.GetModelFromViewResultResponse <IEnumerable <BlogPostViewModel> >();
var blogPost = blogPosts.FirstOrDefault();
//Act
var loadResponse = await _blogController.GetById(blogPost.Id);
//Assert
Assert.True(loadResponse is ContentResult);
Assert.True(loadResponse.CastActionResult <ContentResult>().Content != null);
}