mokevnin/capybara-rails — pull request #1 by gabebw (2013-12-03 15:51:21+00:00)
Title: Use Rails.backtrace_cleaner.clean

The `filter` alias for `clean` was added in Rails 4.0.0.

Relevant commit:
https://github.com/rails/rails/commit/d91bee80beae4e92b2b015599771310cebc3a143