fix unittest helper
fix unittest helper


Former-commit-id: 23a0dd5f8231dae295f1c6ead41f81b08290dcd2
Former-commit-id: b7bf381bd9f93f5cdebcdf758d288356f66ca9ad
leosac/leosac,leosac/leosac,islog/leosac,islog/leosac,islog/leosac,leosac/leosac