Added asset negative test.
Added asset negative test.

Ghost-script/cppagent,Ghost-script/cppagent,mtconnect/cppagent,mtconnect/cppagent,mtconnect/cppagent,Ghost-script/cppagent,mtconnect/cppagent,mtconnect/cppagent,mtconnect/cppagent,Ghost-script/cppagent,Ghost-script/cppagent