[DROP] test helper

Author: fredmnl

package.json

@@ -68,6 +68,7 @@
     "ft_node": "cd tests/functional/raw-node && yarn test",
     "ft_node_sig": "cd tests/functional/raw-node && yarn test_sig",
     "ft_node_trailing": "cd tests/functional/raw-node && yarn test_trailing",
+    "ft_node_trailing_unit": "cd tests/unit/auth/ && mocha TrailingChecksumTransform.js",
     "ft_node_routes": "cd tests/functional/raw-node && yarn run test-routes",
     "ft_node_route_backbeat": "cd tests/functional/raw-node && mocha --reporter mocha-multi-reporters --reporter-options configFile=$INIT_CWD/tests/reporter-config.json -t 40000 test/routes/routeBackbeat.js",
     "ft_gcp": "cd tests/functional/raw-node && yarn run test-gcp",