The Jenkins job lacks color output https://integration.wikimedia.org/ci/job/operations-puppet-tests-docker/lastFailedBuild/console either from rspec or tox . For tox we need to pass:
TOX_TESTENV_PASSENV=PY_COLORS PY_COLORS=1
For rspec we can use SPEC_OPTS=--color
But most probably neither would work because stdin or stdout are probably not tty though docker is run with:
docker run --rm --tty
Maybe we have to pass to docker:
-i, --interactive=false Keep STDIN open even if not attached