public void CorrectlyAddsProperties()
{
var suspensionContext = new SuspensionContext();
suspensionContext.Add(null);
suspensionContext.Add("A");
suspensionContext.Add("B");
var items = suspensionContext.Properties.ToList();
Assert.AreEqual(string.Empty, items[0]);
Assert.AreEqual("A", items[1]);
Assert.AreEqual("B", items[2]);
}