changed the gitlab ci to handle npm test

.gitlab-ci.yml

@@ -10,7 +10,7 @@ build:
   services:
     - mongo:latest
   script:
-    - apk add --update nodejs=10.14.0 nodejs-npm
+    - apk add --update nodejs=8.14.0-r0 nodejs-npm=8.14.0-r0
     - npm install mocha -g
     - mocha --exit
     - git submodule init