public void MultipleKeyEntityIndexContainsExistingEntities()
{
SetupMultipleKeyEntityIndex();
_index.Deactivate();
_index.Activate();
Assert.AreEqual(_entity1, _index.GetEntities("1").First());
Assert.Contains(_entity1, _index.GetEntities("2").ToList());
Assert.Contains(_entity2, _index.GetEntities("2").ToList());
Assert.AreEqual(_entity2, _index.GetEntities("3").First());
}