```bash
liquid (i18n-error) Σ ruby -Itest test/liquid/i18n_test.rb
/opt/boxen/rbenv/versions/1.9.3-p448/lib/ruby/1.9.1/rubygems/custom_require.rb:36:in `require': cannot load such file -- liquid/version (LoadError)
        from /opt/boxen/rbenv/versions/1.9.3-p448/lib/ruby/1.9.1/rubygems/custom_require.rb:36:in `require'
        from /Users/sirup/Dropbox/Code/liquid/lib/liquid.rb:48:in `<top (required)>'
        from /opt/boxen/rbenv/versions/1.9.3-p448/lib/ruby/1.9.1/rubygems/custom_require.rb:36:in `require'
        from /opt/boxen/rbenv/versions/1.9.3-p448/lib/ruby/1.9.1/rubygems/custom_require.rb:36:in `require'
        from /Users/sirup/Dropbox/Code/liquid/test/test_helper.rb:13:in `<top (required)>'
        from /opt/boxen/rbenv/versions/1.9.3-p448/lib/ruby/1.9.1/rubygems/custom_require.rb:36:in `require'
        from /opt/boxen/rbenv/versions/1.9.3-p448/lib/ruby/1.9.1/rubygems/custom_require.rb:36:in `require'
        from test/liquid/i18n_test.rb:1:in `<main>'
```