[Fact]
public void CreatePostShouldHaveRestrictionsForHttpPostOnlyAndAuthorizedUsers()
    => MyController<ArticlesController>                         // Specify the controller under test.
        .Instance()                                             // Create it from the globally registered services.
        .Calling(c => c.Create(With.Empty<ArticleFormModel>())) // Specify the action under test and provide empty model.
        .ShouldHave()
        .ActionAttributes(attrs => attrs                        // Assert action attributes.
            .RestrictingForHttpMethod(HttpMethod.Post)
            .RestrictingForAuthorizedRequests());