public void Can_retrieve_node_values()
 {
     _stateDb.Set(TestObject.KeccakA, TestObject.RandomDataA);
     byte[][] values = _manager.GetNodeData(new[] { TestObject.KeccakA, TestObject.KeccakB });
     Assert.AreEqual(2, values.Length, "data.Length");
     Assert.AreEqual(TestObject.RandomDataA, values[0], "data[0]");
     Assert.AreEqual(null, values[1], "data[1]");
 }