Update .gitlab/.gitlab-webide.yml

.gitlab/.gitlab-webide.yml

+terminal:
+  # This can be any image that has the necessary runtime environment for your project.
+  image: node:10-alpine
+  before_script:
+    - apk update
+  script: sleep 60
+  variables:
+    RAILS_ENV: "test"
+    NODE_ENV: "test"