public void ToXml_CreatedAtThanOrEqualTo()
{
SubscriptionSearchRequest request = new SubscriptionSearchRequest().CreatedAt.GreaterThanOrEqualTo("1/1/2015");
var xml = "<search><created-at><min>1/1/2015</min></created-at></search>";
Assert.AreEqual(xml, request.ToXml());
}