updated logic of the test-job

• updated the test stage in the app Dockerfile

k8s-manifests/configmap.yaml

@@ -4,6 +4,4 @@ metadata:
   name: todo-app-config
 data:
   PORT: 3000
-  # MONGODB_URL: mongodb://<mongo-service>:27017/todo-app
-  # mongodb-service.<namespace>?
   MONGODB_URL: mongodb-service