[UT] workaround to make the unit test pass, expose issue in exception handling
[UT] workaround to make the unit test pass, expose issue in exception handling

esc/Psignifit-3.x,esc/Psignifit-3.x,esc/Psignifit-3.x,esc/Psignifit-3.x,esc/Psignifit-3.x,esc/Psignifit-3.x