public async Task GetWorkItemsAsync_WhenCalled_ReturnsAllWorkItemsWithIteration() { // Act List <WorkItem> workItems = null; using (var context = new OnlineShopContext(options)) { var sut = new WorkItemService(context); workItems = (await sut.GetWorkItemsAsync()).ToList(); } // Assert Assert.NotNull(workItems); Assert.Equal(3, workItems.Count()); Assert.NotNull(workItems[0].Iteration); Assert.NotNull(workItems[1].Iteration); Assert.NotNull(workItems[2].Iteration); }