As a consequence, we can replace the encoded_open function that did the
same in an opt-in manner.
Differential Revision: https://phabricator.services.mozilla.com/D42605
--HG--
extra : moz-landing-system : lando
This changes two config options:
pytest_classes = PyTest # only classes that start with 'PyTest' will be considered tests (previously this was Test)
xfail_strict = true # tests marked as xfail will cause pytest to return non-zero if they unexpectedly pass
MozReview-Commit-ID: DCWoDFbe6Mk
--HG--
extra : rebase_source : 9aa806e035d62d51bb338708396851c40f55ee00