# File lib/fog/aws/requests/iam/create_group.rb, line 40
        def create_group(group_name, path = '/')
          if data[:groups].has_key? group_name
            raise Fog::AWS::IAM::EntityAlreadyExists.new("Group with name #{group_name} already exists.")
          else
            data[:groups][group_name][:path] = path
            Excon::Response.new.tap do |response|
              response.body = { 'Group' => {
                                             'GroupId'   => (data[:groups][group_name][:group_id]).strip,
                                             'GroupName' => group_name,
                                             'Path'      => path,
                                             'Arn'       => (data[:groups][group_name][:arn]).strip },
                                'RequestId' => Fog::AWS::Mock.request_id }
              response.status = 200
            end
          end

        end