message: Use pipe block string
diff: @@ -13,10 +13,11 @@ env:
  before_install:
  - - if [ $TRAVIS_OS_NAME == "linux" ]; then
  - export DISPLAY=:99.0;
  - sh -e /etc/init.d/xvfb start;
  - sleep 3;
  + - |
  + if [ $TRAVIS_OS_NAME == "linux" ]; then
  + export DISPLAY=:99.0
  + sh -e /etc/init.d/xvfb start
  + sleep 3
  fi
  install:
  