store = new FileStore(directory, 1, false);
head = store.getHead();
assertTrue(store.size() > largeBinarySize);
writer = new SegmentWriter(store, store.getTracker());
compactor = new Compactor(writer);
compacted = compactor.compact(EmptyNodeState.EMPTY_NODE, head);
builder = head.builder();
builder.setChildNode("old", head); // reference to pre-compacted state
builder.getNodeState();
writer.flush();
assertTrue(store.setHead(head, compacted));