CircleCI

Merging in your PR requires a passing CircleCI build. You can find our configuration in circle.yml. There are a few noteworthy aspects to the configuration:

• The rspec feature tests run Firefox v54.0.1
• CircleCI has been know to have some difficult-to-reproduce flaky specs, try rebuilding and/or filing an issue
• If a container is repeatedly raising an issue that can't be reproduced locally, try to rebuild with ssh for debugging purposes.

CircleCI is sunsetting its 1.0 framework, at which point we'll need up update our project to make it 2.0 compliant.