# File lib/rubygems/commands/test_command.rb, line 75
  def find_gem(name, version)
    spec = Gem.source_index.find_name(name, version).last
    unless spec and (spec.installation_path rescue nil)
      alert_error "Could not find gem #{name} (#{version})"
      raise Gem::GemNotFoundException, "Could not find gem #{name}, (#{version})"
    end

    return spec
  end