    # File lib/fog/aws/requests/iam/delete_user.rb, line 33
            def delete_user(user_name)
              if data[:users].has_key? user_name
                data[:users].delete user_name
                Excon::Response.new.tap do |response|
                  response.body = { 'RequestId' => Fog::AWS::Mock.request_id }
                  response.status = 200
                end
              else
                raise Fog::AWS::IAM::NotFound.new("The user with name #{user_name} cannot be found.")
              end

            end