private void assertData() {
   Holder holder = (Holder) retrieveOnlyInstance(Holder.class);
   Assert.isNotNull(holder._item);
   Assert.areEqual(NAME, holder._item._name);
 }
 public void testAccessingBTree() throws Exception {
   BTree bTree = storedField().getIndex(trans());
   Assert.isNotNull(bTree);
   expectKeysSearch(bTree, FOOS);
 }