thoughtbot/clearance — comment on commit 214d1ddb6d806c47102117dcaee07b1f61a0ece7
File:  line 0
By jferris:

You need a little extra setup for testing now that we moved stuff into Rack
middleware. It's documented in the README:
http://rubydoc.info/gems/clearance/0.14.0/file/README.md#Testing