public void GetUserDefinedTextTiers_TiersExists_ReturnsThem()
{
var tiers = _collection.GetUserDefinedTextTiers().ToArray();
Assert.AreEqual(1, tiers.Length);
Assert.AreEqual("otherTextTier", tiers[0].DisplayName);
Assert.AreEqual(TierType.Other, tiers[0].TierType);
}