nie można uruchomić konsoli rails na cygwin - ruby-on-rails, cygwin

Z góry dziękuję.

Uruchamiam Rails pod Cygwin, wszystko działa dobrze, ale konsola szyn. Kiedy chcę uruchomić konsolę, pojawia się błąd:

$ rails console
/usr/lib/ruby/gems/1.9.1/gems/activesupport-3.0.0/lib/active_support/dependencies.rb:239:in `require": cannot load such file -- minitest/unit (LoadError)
from /usr/lib/ruby/gems/1.9.1/gems/activesupport-3.0.0/lib/active_support/dependencies.rb:239:in `block in require"
from /usr/lib/ruby/gems/1.9.1/gems/activesupport-3.0.0/lib/active_support/dependencies.rb:225:in `block in load_dependency"
from /usr/lib/ruby/gems/1.9.1/gems/activesupport-3.0.0/lib/active_support/dependencies.rb:591:in `new_constants_in"
from /usr/lib/ruby/gems/1.9.1/gems/activesupport-3.0.0/lib/active_support/dependencies.rb:225:in `load_dependency"
from /usr/lib/ruby/gems/1.9.1/gems/activesupport-3.0.0/lib/active_support/dependencies.rb:239:in `require"
from /usr/lib/ruby/1.9.1/test/unit/assertions.rb:1:in `<top (required)>"
from /usr/lib/ruby/gems/1.9.1/gems/activesupport-3.0.0/lib/active_support/dependencies.rb:239:in `require"
from /usr/lib/ruby/gems/1.9.1/gems/activesupport-3.0.0/lib/active_support/dependencies.rb:239:in `block in require"
from /usr/lib/ruby/gems/1.9.1/gems/activesupport-3.0.0/lib/active_support/dependencies.rb:225:in `block in load_dependency"
from /usr/lib/ruby/gems/1.9.1/gems/activesupport-3.0.0/lib/active_support/dependencies.rb:591:in `new_constants_in"
from /usr/lib/ruby/gems/1.9.1/gems/activesupport-3.0.0/lib/active_support/dependencies.rb:225:in `load_dependency"
from /usr/lib/ruby/gems/1.9.1/gems/activesupport-3.0.0/lib/active_support/dependencies.rb:239:in `require"
from /usr/lib/ruby/1.9.1/test/unit/testcase.rb:1:in `<top (required)>"
from /usr/lib/ruby/gems/1.9.1/gems/activesupport-3.0.0/lib/active_support/dependencies.rb:239:in `require"
from /usr/lib/ruby/gems/1.9.1/gems/activesupport-3.0.0/lib/active_support/dependencies.rb:239:in `block in require"
from /usr/lib/ruby/gems/1.9.1/gems/activesupport-3.0.0/lib/active_support/dependencies.rb:225:in `block in load_dependency"
from /usr/lib/ruby/gems/1.9.1/gems/activesupport-3.0.0/lib/active_support/dependencies.rb:591:in `new_constants_in"
from /usr/lib/ruby/gems/1.9.1/gems/activesupport-3.0.0/lib/active_support/dependencies.rb:225:in `load_dependency"
from /usr/lib/ruby/gems/1.9.1/gems/activesupport-3.0.0/lib/active_support/dependencies.rb:239:in `require"
from /usr/lib/ruby/gems/1.9.1/gems/activesupport-3.0.0/lib/active_support/test_case.rb:1:in `<top (required)>"
from /usr/lib/ruby/gems/1.9.1/gems/activesupport-3.0.0/lib/active_support/dependencies.rb:239:in `require"
from /usr/lib/ruby/gems/1.9.1/gems/activesupport-3.0.0/lib/active_support/dependencies.rb:239:in `block in require"
from /usr/lib/ruby/gems/1.9.1/gems/activesupport-3.0.0/lib/active_support/dependencies.rb:225:in `block in load_dependency"
from /usr/lib/ruby/gems/1.9.1/gems/activesupport-3.0.0/lib/active_support/dependencies.rb:591:in `new_constants_in"
from /usr/lib/ruby/gems/1.9.1/gems/activesupport-3.0.0/lib/active_support/dependencies.rb:225:in `load_dependency"
from /usr/lib/ruby/gems/1.9.1/gems/activesupport-3.0.0/lib/active_support/dependencies.rb:239:in `require"
from /usr/lib/ruby/gems/1.9.1/gems/railties-3.0.0/lib/rails/console/app.rb:2:in `<top (required)>"
from /usr/lib/ruby/gems/1.9.1/gems/activesupport-3.0.0/lib/active_support/dependencies.rb:239:in `require"
from /usr/lib/ruby/gems/1.9.1/gems/activesupport-3.0.0/lib/active_support/dependencies.rb:239:in `block in require"
from /usr/lib/ruby/gems/1.9.1/gems/activesupport-3.0.0/lib/active_support/dependencies.rb:225:in `block in load_dependency"
from /usr/lib/ruby/gems/1.9.1/gems/activesupport-3.0.0/lib/active_support/dependencies.rb:591:in `new_constants_in"
from /usr/lib/ruby/gems/1.9.1/gems/activesupport-3.0.0/lib/active_support/dependencies.rb:225:in `load_dependency"
from /usr/lib/ruby/gems/1.9.1/gems/activesupport-3.0.0/lib/active_support/dependencies.rb:239:in `require"
from /usr/lib/ruby/gems/1.9.1/gems/railties-3.0.0/lib/rails/application.rb:225:in `initialize_console"
from /usr/lib/ruby/gems/1.9.1/gems/railties-3.0.0/lib/rails/application.rb:153:in `load_console"
from /usr/lib/ruby/gems/1.9.1/gems/railties-3.0.0/lib/rails/commands/console.rb:26:in `start"
from /usr/lib/ruby/gems/1.9.1/gems/railties-3.0.0/lib/rails/commands/console.rb:8:in `start"
from /usr/lib/ruby/gems/1.9.1/gems/railties-3.0.0/lib/rails/commands.rb:23:in `<top (required)>"
from script/rails:6:in `require"
from script/rails:6:in `<main>"

Każda pomoc zostanie doceniona

Odpowiedzi:

Wygląda na to, że nie masz "minitest" klejnotu zainstalowanego w twoim Gemfile.