message: allow ember test suites to run in firefox
diff: @@ -67,6 +67,7 @@ install:
  - ./elasticsearch-${ES_VERSION}/bin/elasticsearch 2>&1 >> /dev/null &
  before_script:
  + - export DISPLAY=:99; sh -e /etc/init.d/xvfb start; sleep 3
  - wget -q --waitretry=1 --retry-connrefused -T 1 -O - http://127.0.0.1:9200
  script:
  