public void Failed_Result_Validation_Error()
{
var srv = new MyService();
var addevennums = srv.AddTwoEvenNumbers(2, 5);
Assert.IsFalse(addevennums.WasSuccessful);
Assert.IsTrue(addevennums.Messages.Count == 1);
Assert.IsTrue(addevennums.Messages[0].MessageType == FunctionResultMessageTypes.Validation);
Assert.IsTrue(addevennums.Messages[0].FieldName == "Y");
}