changed order of jest to be executed after before_isntall

Author: Bryze

.travis.yml

@@ -11,9 +11,9 @@ before_install:
   - echo "deb https://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
-  - yarn jest:all
 cache:
   yarn: true
 script:
+  - yarn jest:all
   - yarn gh-pages-clean
   - yarn docz:deploy -u "${GITHUB_NAME} <${GITHUB_EMAIL}>" -m "Generated by Travis CI 🤖🤖🤖 - [Build#${TRAVIS_BUILD_NUMBER}]"