teardown

# File lib/rubygems/test_case.rb, line 332
  def teardown
    $LOAD_PATH.replace @orig_LOAD_PATH if @orig_LOAD_PATH

    if @orig_BASERUBY
      RbConfig::CONFIG['BASERUBY'] = @orig_BASERUBY
    else
      RbConfig::CONFIG.delete('BASERUBY')
    end
    RbConfig::CONFIG['arch'] = @orig_arch

    if defined? Gem::RemoteFetcher then
      Gem::RemoteFetcher.fetcher = nil
    end

    Dir.chdir @current_dir

    FileUtils.rm_rf @tempdir unless ENV['KEEP_FILES']

    ENV['GEM_HOME'] = @orig_gem_home
    ENV['GEM_PATH'] = @orig_gem_path

    Gem.ruby = @orig_ruby if @orig_ruby

    if @orig_ENV_HOME then
      ENV['HOME'] = @orig_ENV_HOME
    else
      ENV.delete 'HOME'
    end

    Gem.instance_variable_set :@default_dir, nil

    ENV['GEM_PRIVATE_KEY_PASSPHRASE'] = @orig_gem_private_key_passphrase

    Gem::Specification._clear_load_cache
  end