`MessagePack.MessagePackSerializationException` occurred in `ExceptionTest.Exception_Serializable` method

[boscohyun]

There is a unit test to testing serialization all exception types. But tests for a some exceptions failed with exception message below:

MessagePack.MessagePackSerializationException: Failed to serialize System.Exception value.

Target

Unit Test

• Lib9c.Tests.Action.ExceptionTest.Exception_Serializable

Exceptions

• Libplanet.Types.Blocks.InvalidBlockProtocolVersionException
• Libplanet.Types.Blocks.InvalidBlockStateRootHashException
• Libplanet.Types.Evidence.DuplicateVoteException

Relates

#2962