BloggingSystem.IntegrationTests.PostsControllerIntegrationTests.GetByTags_WhenNoTagsAreSearched_ShouldReturn400Response C# (CSharp) Method

        public void GetByTags_WhenNoTagsAreSearched_ShouldReturn400Response()
        {
            var posts = new List<PostModel>()
            {
                new PostModel()
                {
                    Title = "post",
                    Text = "Pesho posted a new post 1!!!"
                },
                new PostModel()
                {
                    Title = "post new yeah",
                    Text = "Pesho posted a new post 2!!!",
                    Tags = new List<string>() { "new" }
                },
                new PostModel()
                {
                    Title = "post new and oldy",
                    Text = "Pesho posted a new post 3!!!",
                    Tags = new List<string>() { "taggy", "old" }
                }
            };

            // Add some tags
            foreach (var postModel in posts)
            {
                this.httpServer.Post("api/posts", postModel, this.sessionKeyHeader);
            }

            var httpResponse = this.httpServer.Get("api/posts?tags=", this.sessionKeyHeader);

            Assert.AreEqual(HttpStatusCode.BadRequest, httpResponse.StatusCode);
        }