GuitarShackIntegrationTest.java

StockMonitor monitor = new StockMonitor(
                alert,
                new ProductData(
                        new RESTClient(
                                new Web(),
                                new RequestBuilder())),
                new LeadTimeReorderLevel(
                        new ThirtyDayAverageSalesRate(
                                new SalesData(
                                        new RESTClient(
                                                new Web(),
                                                new RequestBuilder()
                                        ),
                                        () -> {
                                            Calendar calendar = Calendar.getInstance();
                                            calendar.set(2019, Calendar.AUGUST, 1);
                                            return calendar.getTime();
                                        }
                                )
                        )
                )
        );