ruby-on-rails-4 - bitbucket パイプラインで parallel_test を機能させる

Question

私は得る

• bundle exec rake parallel:spec 8 プロセスで 56 スペック、プロセスあたり ~ 7 スペック /usr/local/bin/bundle:22:in load': cannot load such file -- /usr/local/lib/ruby/gems/2.2.0/gems/bundler-1.11.2/lib/gems/bundler-1.11.2/bin/bundle (LoadError) from /usr/local/bin/bundle:22:in' /usr/local/bin/bundle:22:in load': cannot load such file -- /usr/local/lib/ruby/gems/2.2.0/gems/bundler-1.11.2/lib/gems/bundler-1.11.2/bin/bundle (LoadError) from /usr/local/bin/bundle:22:in' /usr/local/bin/ bundle:22:in load': cannot load such file -- /usr/local/lib/ruby/gems/2.2.0/gems/bundler-1.11.2/lib/gems/bundler-1.11.2/bin/bundle (LoadError) from /usr/local/bin/bundle:22:in' /usr/local/bin/bundle:22:in load': cannot load such file -- /usr/local/lib/ruby/gems/2.2.0/gems/bundler-1.11.2/lib/gems/bundler-1.11.2/bin/bundle (LoadError) from /usr/local/bin/bundle:22:in' /usr/local/bin/bundle:22:in load': cannot load such file -- /usr/local/lib/ruby/gems/2.2.0/gems/bundler-1.11.2/lib/gems/bundler-1.11.2/bin/bundle (LoadError) from /usr/local/bin/bundle:22:in' /usr/local/bin/bundle:22:in load': cannot load such file -- /usr/local/lib/ruby/gems/2.2.0/gems/bundler-1.11.2/lib/gems/bundler-1.11.2/bin/bundle (LoadError) from /usr/local/bin/bundle:22:in' /usr/local/ bin/bundle:22:in load': cannot load such file -- /usr/local/lib/ruby/gems/2.2.0/gems/bundler-1.11.2/lib/gems/bundler-1.11.2/bin/bundle (LoadError) from /usr/local/bin/bundle:22:in' /usr/local/bin/bundle:22:in `load': そのようなファイルを読み込めません -

https://github.com/grosser/parallel_testsプロジェクトでテストを実行しようとしたとき。

誰でもそれを機能させる方法を知っていますか?