protected Root root1;
protected Root root2;
@Before
public void before() throws Exception {
MemoryDocumentStore ds = new MemoryDocumentStore();
MemoryBlobStore bs = new MemoryBlobStore();
MongoMK.Builder builder;
builder = new MongoMK.Builder();
builder.setDocumentStore(ds).setBlobStore(bs).setAsyncDelay(1);