Define cause since Ruby 1.9 doesn't implement it for stubbing.
Define cause since Ruby 1.9 doesn't implement it for stubbing.

honeybadger-io/honeybadger-ruby,kylerippey/honeybadger-ruby,Workable/honeybadger-ruby,Workable/honeybadger-ruby,gtd/honeybadger-ruby,honeybadger-io/honeybadger-ruby,kylerippey/honeybadger-ruby,gtd/honeybadger-ruby