public async Task GetAsync_WithoutParams_ReturnsAllItems()
{
var contentResult = await _controller
.ExecuteAction(controller => controller.GetAsync());
contentResult.TryGetContentValue <Item[]>(out var items);
Assert.That(contentResult.StatusCode, Is.EqualTo(HttpStatusCode.OK));
Assert.That(items, Is.EqualTo(s_items).UsingItemComparer());
}