public void ToString_ContainsAppId()
{
var uri = new RetrieveItemUri("myId", "myKey", "itemId");
string result = uri.ToString();
StringAssert.Contains("appId=myId", result);
}
public void ToString_ContainsUPC()
{
var uri = new RetrieveItemUri("myId", "myKey", upc: "myUPC");
string result = uri.ToString();
StringAssert.Contains("upc=myUPC", result);
}