Railsアプリをubuntuからosxに移動しようとしています。rspecを実行すると、次のあいまいなエラーが発生します。
/Users/josh/dev/myproject/spec/support/devise.rb:3:in `block in <top (required)>': uninitialized constant RequestHelpers (NameError)
from /Users/josh/.rvm/gems/ruby-1.9.3-p286@myproject/gems/rspec-core-2.11.1/lib/rspec/core.rb:92:in `configure'
from /Users/josh/dev/myproject/spec/support/devise.rb:1:in `<top (required)>'
from /Users/josh/dev/myproject/spec/spec_helper.rb:21:in `block (2 levels) in <top (required)>'
from /Users/josh/dev/myproject/spec/spec_helper.rb:21:in `each'
from /Users/josh/dev/myproject/spec/spec_helper.rb:21:in `block in <top (required)>'
from /Users/josh/.rvm/gems/ruby-1.9.3-p286@myproject/gems/spork-0.9.2/lib/spork.rb:24:in `prefork'
from /Users/josh/dev/myproject/spec/spec_helper.rb:4:in `<top (required)>'
from /Users/josh/dev/myproject/spec/controllers/comments_controller_spec.rb:1:in `require'
from /Users/josh/dev/myproject/spec/controllers/comments_controller_spec.rb:1:in `<top (required)>'
from /Users/josh/.rvm/gems/ruby-1.9.3-p286@myproject/gems/rspec-core-2.11.1/lib/rspec/core/configuration.rb:780:in `load'
from /Users/josh/.rvm/gems/ruby-1.9.3-p286@myproject/gems/rspec-core-2.11.1/lib/rspec/core/configuration.rb:780:in `block in load_spec_files'
from /Users/josh/.rvm/gems/ruby-1.9.3-p286@myproject/gems/rspec-core-2.11.1/lib/rspec/core/configuration.rb:780:in `map'
from /Users/josh/.rvm/gems/ruby-1.9.3-p286@myproject/gems/rspec-core-2.11.1/lib/rspec/core/configuration.rb:780:in `load_spec_files'
from /Users/josh/.rvm/gems/ruby-1.9.3-p286@myproject/gems/rspec-core-2.11.1/lib/rspec/core/command_line.rb:22:in `run'
from /Users/josh/.rvm/gems/ruby-1.9.3-p286@myproject/gems/rspec-core-2.11.1/lib/rspec/core/runner.rb:66:in `rescue in run'
from /Users/josh/.rvm/gems/ruby-1.9.3-p286@myproject/gems/rspec-core-2.11.1/lib/rspec/core/runner.rb:62:in `run'
from /Users/josh/.rvm/gems/ruby-1.9.3-p286@myproject/gems/rspec-core-2.11.1/lib/rspec/core/runner.rb:8:in `block in autorun'
Ubuntuではすべてがうまく機能するので、環境に配慮しているに違いないと思います。どこから掘り始めるか考えてみませんか?
ありがとう-ジョシュ
編集:理由はわかりませんが、ファイルrequest_helpers.rbがrakeで見つかりませんでした。他の場所に移動すると問題が解決しました。