public void TestBranchNodeRemainValue()
{
var store = new MemoryStore();
var mpt = new MPTTrie(null, store);
var result = mpt.Put("ac11".HexToBytes(), "ac11".HexToBytes());
Assert.IsTrue(result);
result = mpt.Put("ac22".HexToBytes(), "ac22".HexToBytes());
Assert.IsTrue(result);
result = mpt.Put("ac".HexToBytes(), "ac".HexToBytes());
Assert.IsTrue(result);
result = mpt.TryDelete("ac11".HexToBytes());
Assert.IsTrue(result);
result = mpt.TryDelete("ac22".HexToBytes());
Assert.IsTrue(result);
Assert.AreEqual("{\"key\":\"0a0c\",\"next\":{\"value\":\"ac\"}}", mpt.ToJson().ToString());
}