public void Can_Clear_And_Rewrite_Search_Index_ToCloudStorage()
        {
            var dir = new Lucene.Net.Store.Azure.AzureDirectory(CfCloudStorage, "SearchCatalog", new Lucene.Net.Store.RAMDirectory());

            foreach (var b in dir.BlobContainer.ListBlobs())
            {
                dir.BlobContainer.GetBlobReference(b.Uri.ToString()).Delete();
            }
            new cf.Content.Search.SearchManager().BuildIndex(dir);

            var expected = blobRepo.GetBlobWithProperties("searchcatalog", "_0.cfs");

            Assert.IsTrue(expected.Properties.LastModifiedUtc > DateTime.UtcNow.AddMinutes(-1));
        }