public void Test_For_Valid_Register() { //Arrange Buyer buyer = new Buyer() { BuyerId = 1, BuyerName = "John", Email = "*****@*****.**", Password = "******", MobileNumber = 9876543210 }; Seller seller = new Seller() { SellerId = 10, SellerName = "Mary", Email = "*****@*****.**", Password = "******", PostelAdress = "Delhi", GSTIN = "ABVC123XY763BG5", BankDetails = "SBI" }; //Action var IsRegisterededBuyer = _Buyerservice.Register(buyer); var IsRegistedSeller = _Sellerservice.Register(seller); //Assert Assert.True(IsRegisterededBuyer); Assert.True(IsRegistedSeller); }