public async Task AdministrationControllerTest_GetCategoriesAsync() { // Arrange var controller = new AdministrationController(service); controller.Request = new HttpRequestMessage(); controller.Configuration = new HttpConfiguration(); // Act var result = await controller.GetCategories(); // Assert var value = default(IComposedModelResponse <CategoryViewModel>); result.TryGetContentValue(out value); Assert.IsNotNull(value.Model); }