public void  Can_sync_on_split_of_length_6()
        {
            BlockTree miner1Tree = Build.A.BlockTree(_genesisBlock).OfChainLength(6).TestObject;
            ISyncPeer miner1     = new SyncPeerMock(miner1Tree);

            ManualResetEvent resetEvent = new ManualResetEvent(false);

            _synchronizer.SyncEvent += (sender, args) =>
            {
                if (args.SyncEvent == SyncEvent.Completed || args.SyncEvent == SyncEvent.Failed)
                {
                    resetEvent.Set();
                }
            };

            _pool.Start();
            _synchronizer.Start();
            _pool.AddPeer(miner1);

            resetEvent.WaitOne(_standardTimeoutUnit);

            Assert.AreEqual(miner1Tree.BestSuggestedHeader.Hash, _blockTree.BestSuggestedHeader.Hash, "client agrees with miner before split");

            miner1Tree.AddBranch(7, 0, 1);

            Assert.AreNotEqual(miner1Tree.BestSuggestedHeader.Hash, _blockTree.BestSuggestedHeader.Hash, "client does not agree with miner after split");

            resetEvent.Reset();

            _syncServer.AddNewBlock(miner1Tree.RetrieveHeadBlock(), miner1);

            resetEvent.WaitOne(_standardTimeoutUnit);

            Assert.AreEqual(miner1Tree.BestSuggestedHeader.Hash, _blockTree.BestSuggestedHeader.Hash, "client agrees with miner after split");
        }