Squashed commit of the following:

commit f6174179405cbf696415b17bbfcb157b6c3415cf
Author: sonny <sonnyba871@gmail.com>
Date:   Thu Jan 2 23:26:49 2020 +0100

    redux tests

.gitlab-ci.yml

@@ -37,6 +37,18 @@ python tests:
   script:
     - python src/manage.py test newsreader
 
+javascript tests:
+  image: node:12
+  stage: test
+  cache:
+    key: "$CI_JOB_NAME-$CI_COMMIT_REF_SLUG"
+    paths:
+      - node_modules/
+  before_script:
+    - npm install
+  script:
+    - npm test
+
 javascript linting:
   image: node:12
   stage: lint