title: rake aborted! LoadError: cannot load such file -- test/unit/error
body: <p>I am trying to install insoshi in Rails 3.2.21 with ruby 1.9.3 every thing gone good but now I am stopped with an error when I try <code>$rake gems:install</code> it gives an error</p>
  
  <pre><code>rake aborted!
  LoadError: cannot load such file -- test/unit/error
  C:/Sites/insoshi/vendor/rails/activesupport/lib/active_support/dependencies.rb:1
  53:in `block in require'
  C:/Sites/insoshi/vendor/rails/activesupport/lib/active_support/dependencies.rb:5
  21:in `new_constants_in'
  C:/Sites/insoshi/vendor/rails/activesupport/lib/active_support/dependencies.rb:1
  53:in `require'
  C:/Sites/insoshi/vendor/rails/activesupport/lib/active_support/deprecation.rb:22
  4:in `&lt;top (required)&gt;'
  C:/Sites/insoshi/vendor/rails/activesupport/lib/active_support/dependencies.rb:1
  53:in `block in require'
  C:/Sites/insoshi/vendor/rails/activesupport/lib/active_support/dependencies.rb:5
  21:in `new_constants_in'
  C:/Sites/insoshi/vendor/rails/activesupport/lib/active_support/dependencies.rb:1
  53:in `require'
  C:/Sites/insoshi/vendor/rails/activesupport/lib/active_support.rb:37:in `&lt;top (r
  equired)&gt;'
  C:/Sites/insoshi/vendor/rails/railties/lib/tasks/misc.rake:11:in `&lt;top (required
  )&gt;'
  C:/Sites/insoshi/vendor/rails/railties/lib/tasks/rails.rb:4:in `load'
  C:/Sites/insoshi/vendor/rails/railties/lib/tasks/rails.rb:4:in `block in &lt;top (r
  equired)&gt;'
  C:/Sites/insoshi/vendor/rails/railties/lib/tasks/rails.rb:4:in `each'
  C:/Sites/insoshi/vendor/rails/railties/lib/tasks/rails.rb:4:in `&lt;top (required)&gt;
  '
  C:/Sites/insoshi/Rakefile:10:in `&lt;top (required)&gt;'
  (See full trace by running task with --trace)
  </code></pre>
  
  <p>I am totally new with rails. hope for help</p>