public void FilterToAssetType()
        {
            int originalCount = SandboxProject.GetSecondaryWorkitems(null).Count;

            Story story = SandboxProject.CreateStory("Should not show up");
            Task  task  = story.CreateTask("Task");
            Test  test  = story.CreateTest("Test");

            SecondaryWorkitemFilter filter = new SecondaryWorkitemFilter();

            filter.Project.Add(SandboxProject);

            ICollection <SecondaryWorkitem> workitems = SandboxProject.GetSecondaryWorkitems(filter);

            try
            {
                Assert.AreEqual(originalCount + 2, workitems.Count);
            }
            finally
            {
                test.Delete();
                task.Delete();
            }
        }