Ah, my fault for miss handle the multiple descriptor,sorry for that. I did some change  and it can run now:

********************************************
Consolidated Test Report Summary
********************************************
Total Number of Executed Tests  :10
Total Number of Passed Tests  : 9
Total Number of Failed Tests  : 1
Total Number of Skipped Tests  : 0
********************************************
List of Failed Test Descriptors
********************************************
Failed Descriptor Path : /Users/jiliang/dev_env/git_corp/salcap/test/unit/models/models_descriptor.json
Total Number of Failed Tests : 1
--------------------------------------------