No bug - Disallow failures for Python 3 tests. (#1480)
No bug - Disallow failures for Python 3 tests. (#1480)

From now on, all changes will have to ensure they do not break our Python 3 support!
mathjazz/pontoon,mozilla/pontoon,mathjazz/pontoon,mathjazz/pontoon,mozilla/pontoon,mozilla/pontoon,mozilla/pontoon,jotes/pontoon,mathjazz/pontoon,jotes/pontoon,mozilla/pontoon,jotes/pontoon,mathjazz/pontoon,jotes/pontoon