Merge pull request #614 from scottnath/hotfix/remove-yarn

🐛 remove yarn

.travis.yml

@@ -11,28 +11,12 @@ sudo: true
 cache:
   directories:
     - node_modules
-    - $HOME/.yarn-cache
 services:
   - postgresql
 
-#########################
-## Install Yarn
-##
-## From https://yarnpkg.com/en/docs/install-ci#travis-tab
-#########################
-before_install:
-  # Repo for Yarn
-  - sudo apt-key adv --fetch-keys http://dl.yarnpkg.com/debian/pubkey.gpg
-  - echo "deb http://dl.yarnpkg.com/debian/ stable main" | sudo tee /etc/apt/sources.list.d/yarn.list
-  - sudo apt-get update -qq
-  - sudo apt-get install -y -qq yarn
-
-install: yarn
-
 before_script:
   - psql -c 'create database travis_ci_test;' -U postgres
-
-script: yarn test
+  - npm prune
 
 after_success:
   - npm run coverage