public void Test_For_Valid_ApplyQoute() { //Arrange Qoute ApplyQoute(Residance residance,Property property); var residance = new Residance() { QuoteId = "Q1", AddressLine1 = "Bangalore", City = "Bangalore", Zip = 675201 }; var property = new Property() { PropertyId = 12345, QouteId = "q1", UserId = 1234 }; //Action var getQoute = _service.ApplyQoute(residance, property); //Assert Assert.NotNull(getQoute); }