BROWSER:
  - chrome
  - firefox
  - safari

MEDIAWIKI_ENVIRONMENT:
  - beta
  - mediawiki

PLATFORM:
  - Linux
  - OS X 10.9

exclude:
  - BROWSER: chrome
    MEDIAWIKI_ENVIRONMENT: mediawiki

  - BROWSER: chrome
    PLATFORM: Linux

  - BROWSER: firefox
    PLATFORM: OS X 10.9

  - BROWSER: safari
    MEDIAWIKI_ENVIRONMENT: mediawiki

  - BROWSER: safari
    PLATFORM: Linux