# File lib/fog/aws/requests/iam/delete_group_policy.rb, line 32
        def delete_group_policy(group_name, policy_name)
          if !data[:groups].key? group_name
            raise Fog::AWS::IAM::NotFound.new("The group with name #{group_name} cannot be found.")
          elsif !data[:groups][group_name][:policies].key? policy_name
            raise Fog::AWS::IAM::NotFound.new("The group policy with name #{policy_name} cannot be found.")
          else
            data[:groups][group_name][:policies].delete(policy_name)

            Excon::Response.new.tap do |response|
              response.body = { 'RequestId' => Fog::AWS::Mock.request_id }
              response.status = 200
            end
          end
        end