public void getAllUniqueNodeIdsFromObjectType_ReturnsIds()
{
EnsureTestDocumentTypes();
var ids = CMSNode.getAllUniqueNodeIdsFromObjectType(new Guid(DocumentTypeObjectTypeId));
var expectedIds = contentTypes.Select(c => c.Id).OrderBy(id => id);
var actualIds = ids.OrderBy(id => id);
Assert.IsTrue(expectedIds.SequenceEqual(actualIds));
}