public void givenUserId_WhenCorrect_ShouldReturnsInvoiceSummary() { string userid = "1"; Ride[] rides = { new Ride(2.0, 5), new Ride(0.1, 1) }; invoiceGenerator.AddUserRides(userid, rides); InvoiceSummary invoiceSummary = invoiceGenerator.GetInvoiceByuserId(userid); InvoiceSummary invoiceSummary1 = new InvoiceSummary(2, 15); Assert.IsTrue(invoiceSummary.Equals(invoiceSummary1)); }