public async void GetNonTradingDays(int year, int expectedCount)
        {
            var mockRepository = new MockRepository(MockBehavior.Strict);

            HttpRequestMessage requestMessage = null;
            var fileName       = String.Format("asx-trading-calendar-{0}.htm", year);
            var messageHandler = mockRepository.CreateFileContentMessageHandler(fileName, "text/html", x => requestMessage = x);

            var httpClient  = new HttpClient(messageHandler.Object);
            var dataService = new AsxDataService(httpClient);

            var result = await dataService.GetNonTradingDays(year, CancellationToken.None);

            requestMessage.Method.Should().Be(HttpMethod.Get);
            requestMessage.RequestUri.AbsoluteUri.Should().Be("http://www.asx.com.au/about/" + fileName);
            result.Should().HaveCount(expectedCount);

            var newYearsDay = new Date(year, 01, 01);

            while (!newYearsDay.WeekDay())
            {
                newYearsDay = newYearsDay.AddDays(1);
            }

            result.First().Should().BeEquivalentTo(new NonTradingDay(newYearsDay, "New Year's Day"));
        }