RubyGem version error: test-unit(2.0.5 not = 1.2.3)
 (Gem::LoadError)
/usr/local/lib/ruby/gems/1.9.1/gems/rubygems-update-1.3.5/lib/rubygems.rb:827:in `report_activate_error'
/usr/local/lib/ruby/gems/1.9.1/gems/rubygems-update-1.3.5/lib/rubygems.rb:261:in `activate'
/usr/local/lib/ruby/gems/1.9.1/gems/rubygems-update-1.3.5/lib/rubygems.rb:68:in `gem'
/usr/local/lib/ruby/gems/1.9.1/gems/rspec-1.2.9/lib/spec/interop/test.rb:4:in `<top (required)>'
/usr/local/lib/ruby/gems/1.9.1/gems/polyglot-0.2.9/lib/polyglot.rb:70:in `require'
/usr/local/lib/ruby/gems/1.9.1/gems/polyglot-0.2.9/lib/polyglot.rb:70:in `require'
/usr/local/lib/ruby/gems/1.9.1/gems/activesupport-2.3.5/lib/active_support/dependencies.rb:158:in `require'
/usr/local/lib/ruby/gems/1.9.1/gems/rspec-1.2.9/lib/spec/test/unit.rb:1:in `<top (required)>'
/usr/local/lib/ruby/gems/1.9.1/gems/polyglot-0.2.9/lib/polyglot.rb:70:in `require'
/usr/local/lib/ruby/gems/1.9.1/gems/polyglot-0.2.9/lib/polyglot.rb:70:in `require'
/usr/local/lib/ruby/gems/1.9.1/gems/activesupport-2.3.5/lib/active_support/dependencies.rb:158:in `require'
/usr/local/lib/ruby/gems/1.9.1/gems/rspec-rails-1.2.9/lib/spec/rails.rb:13:in `<top (required)>'
/usr/local/lib/ruby/gems/1.9.1/gems/polyglot-0.2.9/lib/polyglot.rb:70:in `require'
/usr/local/lib/ruby/gems/1.9.1/gems/polyglot-0.2.9/lib/polyglot.rb:70:in `require'
/usr/local/lib/ruby/gems/1.9.1/gems/activesupport-2.3.5/lib/active_support/dependencies.rb:158:in `require'
/usr/local/lib/ruby/gems/1.9.1/gems/cucumber-0.4.3/lib/cucumber/rails/rspec.rb:3:in `<top (required)>'
/usr/local/lib/ruby/gems/1.9.1/gems/polyglot-0.2.9/lib/polyglot.rb:70:in `require'
/usr/local/lib/ruby/gems/1.9.1/gems/polyglot-0.2.9/lib/polyglot.rb:70:in `require'
/usr/local/lib/ruby/gems/1.9.1/gems/activesupport-2.3.5/lib/active_support/dependencies.rb:158:in `require'
/Users/christophersmall/code/fungofile/features/support/env.rb:28:in `block in <top (required)>'
/usr/local/lib/ruby/gems/1.9.1/gems/spork-0.7.3/lib/spork.rb:14:in `prefork'
/Users/christophersmall/code/fungofile/features/support/env.rb:9:in `<top (required)>'
/usr/local/lib/ruby/gems/1.9.1/gems/polyglot-0.2.9/lib/polyglot.rb:70:in `require'
/usr/local/lib/ruby/gems/1.9.1/gems/polyglot-0.2.9/lib/polyglot.rb:70:in `require'
/usr/local/lib/ruby/gems/1.9.1/gems/cucumber-0.4.3/lib/cucumber/rb_support/rb_language.rb:123:in `load_code_file'
/usr/local/lib/ruby/gems/1.9.1/gems/cucumber-0.4.3/lib/cucumber/step_mother.rb:83:in `load_code_file'
/usr/local/lib/ruby/gems/1.9.1/gems/cucumber-0.4.3/lib/cucumber/step_mother.rb:75:in `block in load_code_files'
/usr/local/lib/ruby/gems/1.9.1/gems/cucumber-0.4.3/lib/cucumber/step_mother.rb:74:in `each'
/usr/local/lib/ruby/gems/1.9.1/gems/cucumber-0.4.3/lib/cucumber/step_mother.rb:74:in `load_code_files'
/usr/local/lib/ruby/gems/1.9.1/gems/cucumber-0.4.3/lib/cucumber/cli/main.rb:46:in `execute!'
/usr/local/lib/ruby/gems/1.9.1/gems/cucumber-0.4.3/lib/cucumber/cli/main.rb:24:in `execute'
/usr/local/lib/ruby/gems/1.9.1/gems/cucumber-0.4.3/bin/cucumber:8:in `<top (required)>'
/usr/local/bin/cucumber:19:in `load'
/usr/local/bin/cucumber:19:in `<main>'