changed the gitlab ci to handle npm test

.gitlab-ci.yml

-image: alpine:3.7
+image: maven:3.8-alpine
 
 stages:
   - build
@@ -10,7 +10,7 @@ build:
   services:
     - mongo:latest
   script:
-    - apk update && apk add --update nodejs && npm install newman --global
+    - apk add --update npm
     - npm install
     - npm i mocha -g
     - mocha --timeout 10000 --exit