@Override
            public CuratorTransactionBridge forPath(String s) throws Exception {
                MockCuratorFramework.this.setData(s, new byte[0], version, null, newRoot, delayedListener);
                return new MockCuratorTransactionBridge();
            }
The new directory root in which the transactional changes are made
zkfacade/src/main/java/com/yahoo/vespa/curator/mock/MockCuratorFramework.java