More attempts at fixing Travis-CI

.travis.yml

@@ -3,8 +3,17 @@ rvm:
 - 2.7.6
 services: postgresql
 bundler_args: "--without production development staging review --jobs=3 --retry=3"
-before_install: gem install bundler -v 1.16.1
-cache: bundler
+before_install:
+- gem install bundler -v 2.1.4
+- nvm install node
+- node -v
+- npm i -g yarn
+- yarn
+cache:
+  bundler: true
+  directories:
+  - node_modules
+  yarn: true
 env:
   global:
   - STOCKAID_SECRET_KEY_BASE=f152b24044a9dd45656eea8a30f7d7df367497dc4fb53e563425db71c43dc0f959d4d6e62ed54811c6b925db0237a1e16ea9ce1103019ac329660afe40634ead
@@ -17,8 +26,6 @@ script:
 - bundle exec rake rubocop
 - psql -c 'create database stockaid_test;' -U postgres
 - RAILS_ENV=test bundle exec rake db:migrate --trace
-- nvm install node
-- node -v
 - RAILS_ENV=test bundle exec rake assets:precompile
 - bundle exec rake spec
 notifications: