    # File lib/fog/aws/requests/rds/remove_tags_from_resource.rb, line 27
            def remove_tags_from_resource(rds_id, keys)
              response = Excon::Response.new
              if server = self.data[:servers][rds_id]
                keys.each {|key| self.data[:tags][rds_id].delete key}
                response.status = 200
                response.body = {
                  "ResponseMetadata"=>{ "RequestId"=> Fog::AWS::Mock.request_id }
                }
                response
              else
                raise Fog::AWS::RDS::NotFound.new("DBInstance #{rds_id} not found")
              end
            end