public void Index_Reindex_Content()
        {
            var searcher = (UmbracoExamineSearcher)ExamineManager.Instance.SearchProviderCollection["CWSSearcher"];

            Trace.WriteLine("Searcher folder is " + searcher.LuceneIndexFolder.FullName);
            var s = searcher.GetSearcher();

            //first delete all 'Content' (not media). This is done by directly manipulating the index with the Lucene API, not examine!
            var r = IndexReader.Open(s.GetIndexReader().Directory(), false);            
            var contentTerm = new Term(UmbracoExamineIndexer.IndexTypeFieldName, IndexTypes.Content);
            var delCount = r.DeleteDocuments(contentTerm);                        
            r.Commit();
            r.Close();

            //make sure the content is gone. This is done with lucene APIs, not examine!
            var collector = new AllHitsCollector(false, true);
            var query = new TermQuery(contentTerm);
            s = searcher.GetSearcher(); //make sure the searcher is up do date.
            s.Search(query, collector);
            Assert.AreEqual(0, collector.Count);