public void TestRecurringRequest_OnlyRequired()
{
recurringRequest request = new recurringRequest();
request.subscription = new subscription();
request.subscription.planCode = "123abc";
String xml = request.Serialize();
System.Text.RegularExpressions.Match match = Regex.Match(xml, "<subscription>\r\n<planCode>123abc</planCode>\r\n</subscription>");
Assert.IsTrue(match.Success, xml);
}