public void StorageWrapsCollectionsAdd() {
var collection = new Mock<IIgnoredEntitiesCollection>();
var storage = new Mock<IMetaDataStorage>(MockBehavior.Strict);
var entry = Mock.Of<IIgnoredEntity>();
var underTest = new IgnoredEntitiesStorage(collection.Object, storage.Object);
underTest.Add(entry);
collection.Verify(c => c.Add(entry), Times.Once);
}