public void ServiceResult_AppendErrorMessage_InitialSuccessResult_NewResult()
{
ServiceResult <object> initialResult = ServiceResult <object> .CreateSuccessResult(new object());
ServiceResult <object> result = null;
string errorMessage = "error";
Assert.DoesNotThrow(() => result = initialResult.AppendErrorMessage(errorMessage));
Assert.IsNotNull(result);
Assert.IsInstanceOf(typeof(object), result.Result);
Assert.IsTrue(result.IsErrored);
Assert.IsNotNull(result.Result);
Assert.AreEqual(errorMessage, result.ErrorMessage);
}
