    # File lib/fog/aws/requests/elb/enable_availability_zones_for_load_balancer.rb, line 36
            def enable_availability_zones_for_load_balancer(availability_zones, lb_name)
              raise Fog::AWS::ELB::NotFound unless load_balancer = self.data[:load_balancers][lb_name]

              response = Excon::Response.new
              response.status = 200

              load_balancer['AvailabilityZones'] << availability_zones
              load_balancer['AvailabilityZones'].flatten!.uniq!

              response.body = {
                'ResponseMetadata' => {
                  'RequestId' => Fog::AWS::Mock.request_id
                },
                'EnableAvailabilityZonesForLoadBalancerResult' => {
                  'AvailabilityZones' => load_balancer['AvailabilityZones']
                }
              }

              response
            end