public async Task GetSkusTest() { // Arrange var filter = new SkuListFilter(); _stripe.Get( Arg.Is <StripeRequest <SkuListFilter, Pagination <Sku> > >(a => a.UrlPath == "skus" && a.Model == filter), _cancellationToken).Returns(Task.FromResult(new StripeResponse <Pagination <Sku> >())); // Act var response = await _client.GetSkus(filter, _cancellationToken); // Assert response.Should().NotBeNull(); }