bug fixes for npm test (#26)

Author: sf-kansara

package-lock.json

@@ -67,7 +67,7 @@
     "@loopback/rest": "^9.0.0",
     "@loopback/testlab": "^3.2.8",
     "@loopback/tslint-config": "^2.1.0",
-    "@types/express": "^4.17.6",
+    "@types/express": "^4.17.9",
     "@types/lodash": "^4.14.150",
     "@types/node": "^10.17.44",
     "@types/passport": "^1.0.3",